Yehle inc. regularly uses material y51b and currently has in stock 471 liters of the material for which it paid $2,633 several weeks ago. if this were to be sold as is on the open market as surplus material, it would fetch $5.37 per liter. new stocks of the material can be purchased on the open market for $5.97 per liter, but it must be purchased in lots of 1,000 liters. you have been asked to determine the relevant cost of 500 liters of the material to be used in a job for a customer. the relevant cost of the 500 liters of material y51b is

$527.7.if the following was the question  $527.7 is the answer.students who are trying to raise funds have an agreement with a local pizza chain. the chain has agreed to sell them pizzas at a discount, which the students can then resell to families in the local community for a profit. it is expected that of the 500 families in the community, at most 70% will buy pizza. based on a survey of their personal preferences, the students believe that they should order no more than 120 cheese pizzas, no more than 150 pepperoni pizzas, and no more than 100 vegetarian pizzas. they also want to make sure that at least 20% of the total pizzas are cheese and at least 50% of the pizzas are pepperoni. they make a profit of $1.45, $1.75, and $1.98, respectively, for each cheese, pepperoni, and vegetarian pizza they resell. how many pizzas of each type should they buy?