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 on
equipment and hairdressing material. Based on this information, what is the amount of
her implicit costs?
A) $80,000
B) $70,000
C) $42,000
D) $41,500
Table 13-1
What portion of the marginal revenue of the 4th unit is due to the output effect and what
portion is due to the price effect?
A) output effect = $24.00; price effect = $19.50
B) output effect = $6.50; price effect = $2.00
C) output effect = -$0.50; price effect = $5.00
D) output effect = $6.00; price effect = -$1.50