Palmer Corporation produces class rings to sell to college and high school students. These rings sell for $70 each, and cost $37 each to produce. Heister has fixed costs of $50,000. a) Calculate Heister's breakeven point b) What will Heister's profit (loss) be if it sells 9000 rings? c) What will Heister's DOL be if it sells 9000 rings? d) How many rings must Heister sell to earn a profit of $230,000?