Delta diamonds uses a periodic inventory system. the company had five one-carat diamonds available for sale this year: one was purchased on june 1 for $500, two were purchased on july 9 for $550 each, and two were purchased on september 23 for $600 each. on december 24, it sold one of the diamonds that was purchased on july 9. using the fifo method, its cost of goods sold for the year ended is:

The cost of goods sold for the year is $500. 

Since FIFO method is to be used, the cost of goods sold for the year should be the cost of its first purchase regardless of when the product is actually bought. Thus, the cost of goods sold for the year is $500 ($500 × 1). 

$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?