Assume a fixed cost of $900, a variable cost of $5.00, and a selling price of $6.00. a. What is the break-even point? (Roundup your answer to the next whole number.) Break-even point units b. How many units must be sold to make a profit of $500.00? (Roundup your answer to the next whole number.) Units to be sold c. How many units must be sold to average $0.25 profit per unit? $0.50 profit per unit? $1.50 profit per unit? (Roundup your answer to the next whole number. Loss should be indicated with a minus sign.) $0.25 profit/loss per unit $0.50 profitloss per unit $1.50 profit loss per unit Units to be sold units units units