1. Hotair company is negotiating with a potential supplier for the purchase of 30,000 curling irens. Hotair estimates that the supplier's variable costs are $10 per unit and that the fixed costs, depreciation, overhead, etc. are $40,000, The supplier quotes a price of $13 per unit. The standard profit margin is 5-10\%. (7 marks) a. Calculate the estimated average cost per unit. (2 marks) b. Calculate your supplier's profit margin. (1 mark) c. Do you think $13 is too much to pay? Would you negotiate the price? Explain. (2 marks) d. Calculate the break-even point ( 2 marks) 50