On April 1^st,a Firm Had a Beginning Cash Balance of $200.March

On April 1^st,a firm had a beginning cash balance of $200.March sales were $460 and April sales were $510.During April the firm had cash expenses of $150 and payments on accounts payable of $210.The accounts receivable period is 30 days.What is the firm's beginning cash balance on May 1^st?

A) $280
B) $300
C) $450
D) $860
E) $910