please explain! the answer is 31,640 however I dont know how to solve it

The Badu Company had the following sales forecast: 440 January February March 500 380 April 300 The company buys products for $320 each and then resells them for $430 each and pays for operating expenses of $2,100 in rent and $6,300 in salaries each month. The company budgeted an equipment purchase of $5,600 in March as well as purchases of $98,560 for April. If the company's cash balance was $9,600 on April 1st, what budgeted cash balance would it have at the end of April