from the following particular Arun enterprises a to the trading activities for the year ended 31/12/1987. 1.sales-1,00,000
2.purchase- 70000
3.closing stock-14000
4.sales return-4000
5.dividend received -12000
6.profit and sale of fixed assets -600
7.loss on sale is share-300
8.opening stock-11000
9.salary of sales man-1800 10.advertising-700
11.traveling expenses -500 12.salary(office)-3000
13.rent-6000
14.sataionary-200
15.distribution-1000
16.other expenses -2000
17. Provision for tax paid-7000

you are required to calculate
1) gross profit ratio,
2)net profit ratio,
3) operating ratio, and
4) operating profit ratio.​