Revenue from Operations = 4,00,000
Gross Loss = 10% of Rs.4,00,000 = Rs. 40,000
Cost of Revenue from Operations = Revenue from Operations + Gross Loss
= Rs.4,00,000 + Rs. 40,000
= Rs. 4,40,000
Inventory Turnover Ratio = Cost of Goods Sold/ Average Inventory
= Rs.4, 40,000 / Rs. 55,000 = 8 times.