What is the sum of all three digit integers formed using the digits 2,3 and 4 (repetition is allowed) Select the correct option:
A) 4444
B) 6100
C) 8991
D) 7110
E) 8800
n = 3*3*3= 
<gadget id="calculator">3*3*3</gadget>
<output>27</output>
27= (444 + 222) / 2= 
<gadget id="calculator">(444 + 222) / 2</gadget>
<output>333</output>
333   Sum= number of integers x average value   n * = 27 * 333= 
<gadget id="calculator">27 * 333</gadget>
<output>8_991</output>
8991   answer= 8991
<result>C</result>
What is the sum of all three digit integers formed using the digits 2,3 and 4 (repetition is allowed)