the marketing program data records 33 for each location 402 the report 400 may also include an entry 400 a u2032 having a u201c all products in promotion u201d segment identifier 404 corresponding to efficiency calculations for all saleables 27 sold in association with at least one marketing program 23 ie for all saleables 27 192 or saleable 27 102 location 35 123 or other distribution channel combination other than those indicating a u201c none u201d segment identifier 199 in the segmented measurables data records 39 for each location 402 the report 400 may also include an entry 400 a u2033 having an u201c all products not in promotion u201d segment identifier 404 corresponding to efficiency calculations for all saleables 27 for which no marketing program 23 was used ie for all saleables 27 192 or saleable 27 102 location 35 123 combination indicating a u201c none u201d segment identifier 199 in the segmented measurables data records 39 as will be understood for each different location 402 typically the report 400 will include one entry 400 a corresponding to each marketing program segment 33 199 listed on the segmented measurables data storage entity 32 including the u201c none u201d segment 33 u2032 and an u201c all products in promotion u201d segment each entry 400 a will preferably.