PQR enterprise wants to buy a machine. It receives offers for two models M and N. Data related to models are given below: Model M Installed capacity (units) Fixed overhead per annum Estimated profit at above capacity S160,000 10,000 S240,000 Model N 10,000 S100,000 S100.000 The product manufactured using this type of machine (M or N) is sold at $100 per unit. Among the given options, determine level of sales same profit. which both the models will earn the a. 7,000 units b. 6,000 units c. 5,500 units d. 8,000 units