28 In late June of each year Cath Office Supplies prepares a forecast cash flow statement for the next six months.

Actual sales for May and projected sales for the following months are:

On 1 July, a cash balance of $8 400 is expected.
a Prepare a forecast cash flow statement for the six months ended 31 December.
b How much additional financing will be required, or excess cash available for investment, for the six months ended 31 December?