Sam is skilled at making both necklaces and earrings. Sam has no preference between making necklaces or earrings since he earns the same amount from the two activities. If the selling price of earrings decreases from $40 to $20, then Sam's opportunity cost of making necklaces and making necklaces is now profitable than making earrings. Suppose that the necklaces market consists of several suppliers like Sam who are skilled at making both necklaces and earrings. Which of the following is likely to happen to the supply curve of necklaces when the price of a earrings decreases? A. It does not change
B. It shifts to the left
C. It shifts to the right

$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?

$1,240 is the answer! ~ hope i !