Answer: Accounting profit= $44,500
Economic Profit = $4,150
Step-by-step explanation: Accounting profit are the profit earned by subtracting explicit cost from the total revenue earned.

Economic profit are profits lefts out after subtracting implicit (opportunity) cost and explicit ( monetary) costs. It is given by

In this case, the explicit cost include rental cost, office supplies, office staff and telephone expenses.
While, implicit cost include the 7% interest foregone on the $5000 savings and the salary foregone ($40,000) by choosing to startup a business than take up the job.