what was the return on total assets during 2013?
Important information:
table_5: ( $ in millions except per share amounts ) the total assets of year ended december 31 2017 is 6374 ; the total assets of year ended december 31 2016 is 6352 ; the total assets of year ended december 31 2015 is 6024 ; the total assets of year ended december 31 2014 is 6239 ; the total assets of year ended december 31 2013 is 6190 ;
table_7: ( $ in millions except per share amounts ) the total long-term obligations of year ended december 31 2017 is 3225 ; the total long-term obligations of year ended december 31 2016 is 3356 ; the total long-term obligations of year ended december 31 2015 is 3260 ; the total long-term obligations of year ended december 31 2014 is 3562 ; the total long-term obligations of year ended december 31 2013 is 3277 ;
table_10: ( $ in millions except per share amounts ) the dividends declared per share of year ended december 31 2017 is $ 2.52 ; the dividends declared per share of year ended december 31 2016 is $ 2.10 ; the dividends declared per share of year ended december 31 2015 is $ 1.70 ; the dividends declared per share of year ended december 31 2014 is $ 1.00 ; the dividends declared per share of year ended december 31 2013 is $ 0.50 ;
Reasoning Steps:
Step: divide1-1(261, 6190) = 4.2%
Program:
divide(261, 6190)
Program (Nested):
divide(261, 6190)

Please answer the following financial question based on the context provided. Make sure to give the answer in raw number, not in percentage and without any units. If the question asks for percentage the value should be less than 1
Context:
item 6 . selected financial data the following table sets forth our selected financial data . the table should be read in conjunction with item 7 and item 8 of this annual report on form 10-k. .
Table
( $ in millions except per share amounts )            | year ended december 31 2017 | year ended december 31 2016 | year ended december 31 2015 | year ended december 31 2014 | year ended december 31 2013
sales and service revenues                            | $ 7441                      | $ 7068                      | $ 7020                      | $ 6957                      | $ 6820                     
goodwill impairment                                   | 2014                        | 2014                        | 75                          | 47                          | 2014                       
operating income ( loss )                             | 865                         | 858                         | 769                         | 655                         | 512                        
net earnings ( loss )                                 | 479                         | 573                         | 404                         | 338                         | 261                        
total assets                                          | 6374                        | 6352                        | 6024                        | 6239                        | 6190                       
long-term debt ( 1 )                                  | 1279                        | 1278                        | 1273                        | 1562                        | 1665                       
total long-term obligations                           | 3225                        | 3356                        | 3260                        | 3562                        | 3277                       
net cash provided by ( used in ) operating activities | 814                         | 822                         | 861                         | 755                         | 260                        
free cash flow ( 2 )                                  | 453                         | 537                         | 673                         | 590                         | 121                        
dividends declared per share                          | $ 2.52                      | $ 2.10                      | $ 1.70                      | $ 1.00                      | $ 0.50                     
basic earnings ( loss ) per share                     | $ 10.48                     | $ 12.24                     | $ 8.43                      | $ 6.93                      | $ 5.25                     
diluted earnings ( loss ) per share                   | $ 10.46                     | $ 12.14                     | $ 8.36                      | $ 6.86                      | $ 5.18                     
( 1 ) long-term debt does not include the current portion of long-term debt , which is included in current liabilities . ( 2 ) free cash flow is a non-gaap financial measure and represents cash from operating activities less capital expenditures net of related grant proceeds . see liquidity and capital resources in item 7 for more information on this measure. .
Question: 
what was the return on total assets during 2013?
Important information:
table_5: ( $ in millions except per share amounts ) the total assets of year ended december 31 2017 is 6374 ; the total assets of year ended december 31 2016 is 6352 ; the total assets of year ended december 31 2015 is 6024 ; the total assets of year ended december 31 2014 is 6239 ; the total assets of year ended december 31 2013 is 6190 ;
table_7: ( $ in millions except per share amounts ) the total long-term obligations of year ended december 31 2017 is 3225 ; the total long-term obligations of year ended december 31 2016 is 3356 ; the total long-term obligations of year ended december 31 2015 is 3260 ; the total long-term obligations of year ended december 31 2014 is 3562 ; the total long-term obligations of year ended december 31 2013 is 3277 ;
table_10: ( $ in millions except per share amounts ) the dividends declared per share of year ended december 31 2017 is $ 2.52 ; the dividends declared per share of year ended december 31 2016 is $ 2.10 ; the dividends declared per share of year ended december 31 2015 is $ 1.70 ; the dividends declared per share of year ended december 31 2014 is $ 1.00 ; the dividends declared per share of year ended december 31 2013 is $ 0.50 ;
Reasoning Steps:
Step: divide1-1(261, 6190) = 4.2%
Program:
divide(261, 6190)
Program (Nested):
divide(261, 6190)
