9.) and Woman managing a photocopy establishment for $25,000 per year decides to open her own duplicating place. Her revenue during the first year of operation is 120,000.00 and her expenses are as follows:

Salaries to hired help ............... $ 45,000

Supplies ........................................... $ 15,000

rent ..................................................... $ 10,000

Utilities ................................................ $ 1,000

Interest on bank loan ....................$ 10,000

Calculate (a) the explicit costs, (b) the implicit costs, (c) the business profit, (d) economic profit and (e) the normal return on investment in the business.

please show steps and without excel, please. Thank you.