20.) Gibson's has sales for the year of $542,400, cost of goods sold equal to 80 percent of sales, and an average inventory of $80,400. The profit margin is 6 percent and the tax rate is 40 percent. How many days, on average, does it take the company to sell an inventory item? Assume 365 days per year.

a.) 67.63 days

b.) 40.58 days

c.) 61.99 days

d.) 72.46 days

e.) 54.10 days