help please!

On May 31 of the current year, the assets and liabilities of Riser, Inc. are as follows: Cash $23,000; Accounts Receivable, $7,550; Supplies, $950; Equipment, $12,350; Accounts Payable, $9,600. What is the amount of stockholders' equity as of May 31 of the current year? Multiple Choice $34,250. $53,450 $23,000 $13,100 $43,850