Question 17 2 pt Currently, a food delivery firm faces the following costs, where Q=number of deliveries: Total Cost = 02 + 0 +4 Marginal Cost=20 + 1 What is the average fixed cost when Q=8?Question 18 2 pts Currently, a food delivery firm faces the following costs (where Q-number of deliveries): Total Cost = Q2 + Q+4 Marginal Cost-2Q + 1 What is the efficient scale of the firm?Question 19 2 pts Currently, a food delivery firm faces the following costs (where Q-number of deliveries): Total Cost = Q2 + Q +4 Marginal Cost=2Q + 1 Assume the market price for food delivery is $9, which means that consumers are willing to by as many deliveries as the business wants at $9 but only at $9 and not at a higher price. Knowing the delivery firm wants to maximize profit, how many deliveries per day is the firm willing to provide at a price of $9 per delivery?D Question 20 2 pts Currently, a food delivery firm faces the following costs (where Q=number of deliveries): Total Cost = Q2 + 0 +4 Marginal Cost=20 + 1 How many deliveries per day is the firm willing to produce at a price of $9 per delivery if the fixed cost increases by $2