The following financial information is from Shovels Construction Company.

Accounts payable: $13,900

Buildings: $87,000

Cash: $10,600

Accounts receivable: $10,000

Sales tax payable: $3,900

Retained earnings: $45,800

Supplies: $41,600

Notes payable due in 18 months: $32,000

Interest payable: $2,900

Common stock: $50,700

What is the amount of current assets, assuming the accounts above reflect normal activity?