Time left 1:24:40 Question 7 Not yet answered Marked out of 1.00 P Flag question The following data refers to four products A, B, C, D A B C D Price $75 $72 $45 $38 Raw $10 $5 $5 $10 materials Labor cost $20 $20 $20 $20 ( fixed) The contribution margin of project C is Select one: O a. $45 O b. $40 O C. $25 O d. $20