HELP: Need help keying in formulas in excel.

Kayak Company budgeted the following cash receipts $($excluding cash receipts from loans received$)$ and cash payments $($excluding cash payments for loan principal and interest payments$)$ for the first three months of next year.

Cash Receipts Cash payments

January $ $525,000$ $ $475,000$

February $400,000350,000$

March $450,000525,000$

Kayak requires a minimum cash balance of $$30,000$ at each month$-$end. Loans taken to meet this requirement charge $1\%$ interest per month, paid at each month$-$end. The interest is computed based on the beginning balance of the loan for the month. Any preliminary cash balance above $$30,000$ is used to repay loans at month$-$end. The company has a cash balance of $$30,000$ and a loan balance of $$60,000$ at January $1.$

Prepare monthly cash budgets for January, February, and March.