The following selected accounts were taken from the financial records of Santa Rosa Distributors at December 31, 2016. All accounts have normal balances.

Cash ................. $ 26,760

Accounts receivable ........... 47,700

Note receivable, due 2017 .......... 9,500

Merchandise inventory ............ 35,700

Prepaid insurance ............ 2,350

Supplies ................. 1,410

Equipment ...............43,500

Accumulated depreciation, equipment ....23,500

Note payable to bank, due 2017 .......35,000

Accounts payable ...........13,050

Interest payable ............. 350

Sales .................. 530,000

Sales discounts ............. 3,200

Cost of goods sold .......... 348,540

Merchandise inventory at December 31, 2015 was $58,500. Based on the account balances above, calculate the following:

a. The gross profit percentage

b. Working capital

c. The current ratio

d. The inventory turnover