Carmen's Pool Cues has a variable cost of $7.00, a fixed cost of $1,200, and a selling price of $9.00 each. 12 a. How many units must be sold to make a profit of $300.00? Go to at least three decimals for the intermediate steps, and round your final answer up or down to the nearest whole number (so 18.2 would be rounded as 18, 18.5 would be rounded as 19). Units to be sold points (8 04:22:13 b. How many units must be sold to average $.40 profit per unit? Go to at least three decimals for the intermediate steps, and round your final answer up or down to the nearest whole number (so 18.2 would be rounded as 18, 18.5 would be rounded as 19). Units to be sold