House company produces one product that sells for $1,200. Variable costs are $840 per unit. Fixed costs are $720,000. The tax rate is 40 percent.

a) Compute the break-even point in units and in sales revenue.

b) How many units would House Company have to sell to earn a profit before taxes of $900,000?

c) How much would the sales revenue have to be for House Company to have a profit after taxes of $1,080,000?