Kerry has started a new business in part of a converted warehouse. She sold her inherited property, making $80,000,$ and is currently renting a room so that she can put the money she's made into the new business. $60,000$ was used as a deposit on the purchase of her space in the warehouse building, and she obtained a commercialmortgage of $80,000$ for the warehouse of the purchase price. The interest rate on the

mortgage is $3\mathrm{.}5\%$ and Kerry has negotiated a deal with the lender whereby she does not have to start paying off the capital sum until $2022.$ The monthly interest$-$only payments are $234.$

The business supplies cakes and related goods to coffee shops. Although the customers almost always eventually pay, Kerry often has problems in collecting the cash due to her. The pattern of cash payment by customers, on average, is as follows:

So$,$ for example, $30\%$ of the value of sales in March will actually be received in cash in

March, $30\%$ will be received in cash in April, and so on$.$ Kerry is preparing budgets for

the six months ending $30$ June $2020.$ Actual invoiced sales for the September $-$

December $2019$ period are as follows:

Kerry expects to invoice sales as follows in each of the six months to $30$

June $2020$:

Expenses include the following:

Drawings. She plans to draw $8,000$ in February, May and June.

Rent of $5,200$ each quarter is payable in March, June, September and December.