Lawn Master Company, a manufacturer of riding lawn mowers, has a projected income for the coming year as follows: Required: 1. Determine the breakeven point in sales dollars. 2. Determine the required sales in dollars to earn a before-tax profit of $3,900,000. (Do not round intermediate calculations. Round your answer to the nearest whole dollar amount.) 3. What is the breakeven point in sales dollars if the variable expenses increases by 12% ? (Do not round intermediate calculations. Round your final answer to the nearest whole dollar amount.)