FG Ltd is preparing its cash budget for January, February, and March 2020. Budgeted data are as follows: November December January February March Sales (Units) 750 800 800 850 900 Production (Units) 800 800 850 900 950 Direct labour & GH448,000 GH448,000 GH51,000 GH54,000 GH57.000 variable overhead incurred Fixed overhead GH20,000 GH20,000 GH 20,000 GH 20,000 GH20,000 incurred (excluding depreciation) The selling price per unit is GH200. The purchase price per kg of raw material is GH25. Each unit of finished product requires 2kg of raw materials which are purchased on credit in the month before they are used in production. Suppliers of raw materials are paid one month after purchase. All sales are on credit. 80% of customers pay one month after sale and the remainder pays two months after sale. The direct labour cost, variable overheads and fixed overheads are paid in the month in which they are incurred. Machinery costing GH100,000 will be delivered in February and paid for in March. Depreciation including that on the new machinery are as follows: Machinery and equipment GH3.500 per month Motor vehicle GH800 per month The opening cash balance at 1 January is estimated to be GH15,000 Required: Prepare a cash budget for each of the three months January, February and March. (12 marks) State and explain FOUR (4) usefulness of cash budget. (4 marks)