Answer:
Part A: Carl spent $600 for car payment each month.
Part B: Carl spent $200 for food payment each month.
Explanation:
Part A: 15% of $4000 which is 15% x 4000 = $600
Part B: Step 1 50+20+15+10=95
Step 2 95-100 is 5 which is 5%
Step 3 5% of $4000 which is 5% x 4000 = $200