Solve for the missing information designated by blanks in the following table

Case$$

Beginning inventory$$

Purchases$$

Cost of goods sold

Ending inventory$$

Inventory turnover ratio

Days to sell$$

a

$$230$

$$890$

$$990$

b

$$220$

$$1720$

$8\mathrm{.}6$

c

$$1520$

$$85$

$24\mathrm{.}0$