= 0.96 x 3 = 18 per cent y 14 Rate of return on investment = Margin of profit X Capital/Investment turnover Net profit Sales Sales Capital P.6.2 B Raj Ltd sells goods on cash as well as credit. The following particulars are extracted from their books of accounts for the current year-end. Particulars Amount (in lakh of rupees) Total gross sales 100 Cash sales (included in above) 20 Sales returns Total debtors at the end 9 Bills receivable Provision for doubtful debts at the end of the year Total creditors at the end Calculate the average collection period. 7 ON 1 10