The following balance sheet information is provided for Apex Company for 2014:

ASSETS

Cash $5400

Accounts Receivable $15,500

Inventory $18,000

Prepaid Expense $1,600

Plant equipment, Net of Dep $20,200

Land $19,950

Total $80,650

LIABILITES

Accounts Payable $4,500

Salaries Payable $11,500

Bond Payable $19,000

Common stock no par $30,000

Retained Earnings $15,650

Total $80,650

what is the company's working capital?

a.$20,300

b. $4,900

c. $22,900

d.$24,500