Trevor owns and operates a mobile burger van and has been hired as the only food stall at an annual horseracing event in a remote Queensland town. After accounting for all his inputs, each burger costs Trevor $7 to make. Below is a table of prices and the corresponding quantities of burgers that he can provide to patrons of the races during the event. Price ($/burger) Quantity (burgers) 15 30 14 40 13 50 12 60 11 70 10 80 What is Trevor's revenue at his profit maximising level of production? Answer to the nearest whole number (with no decimal places or $ sign), and only use the options in the table above