Stoney Brooke, Incorporated, has sales of $$940,000$ and cost of goods sold of $$672,300.$ The firm had a beginning inventory of $$33,000$ and an ending inventory of $$48,000.$ What is the length of the inventory period? Assume $365$ days per year.

Multiple Choice

$21\mathrm{.}99$ days

$17\mathrm{.}67$ days

$17\mathrm{.}92$ days

$15\mathrm{.}73$ days

$21\mathrm{.}69$ days