A restaurant sells salmon pizzas for $13 each and pepperoni pizzas for $9 each. On every salmon pizza the restaurant makes a profit of $3 while on every pepperoni pizza it makes a profit of $1. If on a given day the restaurant's sales amounted to $468, which of the following cannot be the profit made on that day?
Answers:	A) 108	B) 94	C) 88	D) 80	E) 66
$88 is the only option that does not fit into a combination of salmon and pepperoni pizza sales profits, given the total sales of the day. Answer: 88
<result>C</result>
A restaurant sells salmon pizzas for $13 each and pepperoni pizzas for $9 each. On every salmon pizza the restaurant makes a profit of $3 while on every pepperoni pizza it makes a profit of $1. If on a given day the restaurant's sales amounted to $468, which of the following cannot be the profit made on that day?