Answer:
A. Quick Change's profit will increase while Fast Change's profit will fall.
Explanation:
Initially, both Quick Change and Fast Change have 4700 customers and the revenue per customer is $15. The total revenue for both businesses is,
The salary expense of Quick change is fixed at 47000. Thus, Quick Change's profit, initially, is:
The Salary expense of Fast Change is variable as it is calculated on the number of customers served at $10 per customer. So, Fast Change's initial profit is,
When the number of customers change and Quick change gains 1000 more customers and reduced its price to 13, the new revenue and profit for Quick change will be,
The new revenue and profit of Fast Change will be,
So Quick Change's profit has increased while Fast Change's profit has fallen.