Answer :
Answer:
The additional income per year that the dog groomer should have from keeping the salon open for another one hour every day per week should be at least $56,000 (twice the expense to keep the salon open).
Explanation:
- Before investing time and resources into something, it is necessary to devise the economic cost of the time and resources that one is about to put in an determine whether or not it is profitable.
- In the given case, it would be feasible to become subject to a cost of $28,000 only if the returns are going to be twice the cost incurred over a period of a year.