Answer:
Step-by-step explanation:
Let the number of customers be x.
Annual gross income in terms of the number of customers:
Annual gross income in terms of profit and expenses:
The above two numbers should be equal, this will give us the number of customers:
- 1300x = 136400
- x = 136400 / 1300
- x = 105 (rounded)
Correct choice is D
