The management of Mercantile Ltd. a registered supplier of vatable goods presented the following information relating to the companys transactions for the six months to 30 June 2021. Purchases of goods Sales of goods January 3,132,000 4,593,600 February 3,758,400 5,637,600 March 3,549,600 4,176,000 April 3,828,000 2,296,800 May 1,160,000 1,670,400 June 5,336,000 6,936,800 The amounts stated above were inclusive of VAT at a rate of 16% Additional information: 1. All purchases were made on cash basis while all sales were on credit basis. The cash due on credit sales was received in the month following the month of sale. 2. Included in the sales for the month of March was ksh 551,000 for which the debtor defaulted and was subsequently declared bankrupt on 30 June 2021. 3. The company issued credit notes amounting to ksh 522,000 and received debit notes amounting to ksh 440,800 in the month of February and May 2021 respectively. 4. The company bought office stationeries in February amounting to ksh 92,800 and paid for water and electricity amounting to ksh 52,200 and ksh 84,680 respectively in April. These three transactions were inclusive of VAT where applicable. Required: Determine the VAT payable or refundable for each of the six months from January to June 2021