$BL$ Industries has ending inventory of $$302,800,$ annual sales of $$2\mathrm{.}33$ million, and annual cost of goods sold of $$1\mathrm{.}41$ million. On avelage, how long did a unit of inventory sit on the shelf before it was sold?

a$.47\mathrm{.}43$ days

b$.22\mathrm{.}18$ days

c$.78\mathrm{.}38$ days

d$.61\mathrm{.}78$ days

e$.83\mathrm{.}13$ days