March Credit Sales Credit Purchases Cash Disbursments Wages, taxes and expenses Interest Equipment Purchases Beginning Cash Balance Cash Receipts

I need to find the formulas to getting the month of march totals and getting formulas for the rest of the month. 

Heres is the rest of the question 

The company predicts that 5 percent of its credit sales will never be collected, 35 percent of its sales will be collected in the month of the sale, and the remaining 60 percent will be collected in the following month. Credit purchases will be paid in the month following the purchase.

the attachments has the totals given on top and the rest of the cash budget that was provided

In March 2015, credit sales were $235,000 and credit purchases were $161,300. Using this information, complete the following cash budget: