please answer these questions

Jay Blue Lid is a toy manufacturing company that has been trading steadily for a number of years. Recently the company has noticed that sales have begun to fluctuate more than usual month on month. A new marketing manager has been appointed and has developed a marketing plan to try and increase sales. The following sales schedule has been prepared for Jay Blue Lid. for the months March to June 2021. March - E April - E May - E June - E Sales 100,000 86,000 97,000 105,000 Purchases 70,000 78,000 72,000 49,000 All sales are on 1 month credit except for $18,000 cash in May All purchases are on 1 month credit except for $32,000 cash in June Wages are $12,500 per month Depreciation on fixed assets is expected to be $6,000 monthly Office equipment repaired in April cost $3,000, paid in June Rents is $9,000 per annum payable each month. Trade Receivables at the end of February were $68,000 Trade Payables at the end of February were $87,000 Cash at the end of February was $63,000 The new marketing plan will require an advertising spend of $9,000 per month. Q 3(a) [21 Marks] Prepare a cash budget for Jay Blue Lid for the 4 month period, using the provided information. Q 3(b) [4 Marks] Explain why holding large cash balances might not always be an advisable use of money