QUESTION 8 Jimmy is the owner of the only gelato shop on North Stradbroke Island. He sells the gelato in cones, with the marginal cost of each gelato cone being constant at $0.80 per cone. Below is a table of potential prices and corresponding quantities of gelato cones he could sell. Price ($lcone) Quantity (cones) 6.80 50 6.20 60 5.60 70 5.00 80 4.40 90 3.80 100 What is Jimmy's profit-maximising quantity of cones? Answer to the nearest whole number (with no decimal places)