A firm manufactures a product that sells for $11 per unit. Variable cost per unit is $6 and fixed cost per period is $1800. Capacity per period is 600 units. Perform a break-even analysis showing a detailed break-even chart. Find the revenue function, TR. TR-O (Type an expression using x as the variable. Do not include the symbol in your answer.) Find the cost function, TC TC=0 (Type an expression using x as the variable. Do not include the $ symbol in your answer.) Compute the break-even point in units. The break-even point is units, (Round up to the nearest whole number.) Find the break-even point in sales dollars The break-even point in sales dollars is $. (Round the final answer to the nearest cent as needed. Round all intermediate values to six decimal places as needed.) Graph the break-even chart. Choose the correct graph below. OA. . Oc. A 6600 TRO 66001 TRO 600- TRC TC Q BE --- BIEL FCH TVC 1 TVC FC FC 1 TVC Click to select your answer(s)