please show me step by step how to come with Cash receivable from cash and credit sales: form this figure

Problem y_2_1 Pulsetta Ltd is currently preparing a cash budget for September to December. Its estimated sales figures () are as follows: September October November Cash sales 7,680 5,753 4,090 4,059 4,584 December 6,959 8,911 Credit sales 9,432 Cash sales are paid for immediately, but credit sales are invoiced to customers, who normally pay in the following month. The closing trade receivables (debtors) at 31 August totalled 14,662. Show the relevant figures for sales to be included in the cash budget for September to December. (Fill in the relevant cells with its corresponding figures.) Cash receivable from cash and credit sales: September October November December Cash sales Credit sales Total