A university does not have a centralized receiving function for departmental purchases of books, supplies, and equipment. Which of the following controls will most effectively prevent payment for goods not received, if performed prior to invoice payment? a. Vendor invoices should be approved by a departmental supervisor other than the employee ordering the goods.
b. Invoices over a specified amount should be approved by the vice president of finance.
c. Names and addresses on vendor invoices should be compared to a list of department-authorized vendors.
d. Vendor invoices shoul be matched with department purchase orders.

$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?