McPupper Tools has collected the following production data for the past 3 months: Units produced Total cost 10,000 $80,000 12,000 $92,000 11,000 $86,000 a. If the high-low method is used, what is the total cost equation for the period? b. If 11,200 units were produced, what would be the estimated total cost? c. What is the incremental cost of the 11,201st unit? Mississippi Industries makes a product with a selling price of $20, variable costs of $15 per unit, and fixed costs of $25,000. The company expects a profit of $300,000 at its budgeted level of production. If it sells 5,000 units more than expected, how much higher will its profits be? a. $25,000 b. $100,000 c. $275.000 d. $300,000