The table below shows the total revenue (TR) and total cost (TC) for the Sunshine Company. At which quantity (Q) of output is the company's profit maximized? Hint: Note that the company cannot produce partial units. Quantity (Q) Total Revenue (TR) Total Cost (TC) 1 1.50 2.00 2 3.00 2.75 3 4.50 4.00 4 6.00 5.75 5 7.50 7.75