KK lost the whole of his stock in a March 2019. The last time a stock was taken has been done on 31st December. The last balance sheet date , when stock was valued as cost 19500 purchase then until 17th March 2019 amount to 68,700 and Sales in that was 196,000 all sales were made at gross magin of 20%. determine The gross profit, cost of goods sold and Closing stock