Golda rush quit her job as a manager for home depot to start her own hair dressing salon, goldilocks. she gave up a salary of $40,000 per year, invested her savings of $30,000 (which was earning 5 percent interest) and borrowed $10,000 from a close friend, agreeing to pay 5 percent interest per year. in her first year, golda spent $18,000 to rent a salon, hired a part-time assistant for $12,000 and incurred another $15,000 in expenses on equipment and hairdressing material. based on this information, what is the amount of her explicit costs?
a) $80,000
b) $70,000
c) $42,000
d) $41,500
e) none of the above