A Company Purchases and Sells Roofoo

Multiple Choice

A company purchases and sells Roofoo. It began last year with five units of Roofoo on hand at a cost of $10 each, and during the year its purchases and sales were as follows:

What was the value of cost of goods sold of Roofoo, using the annual weighted average in a periodic inventory system? Answer to the nearest dollars.

A) $131
B) $133
C) $140
D) $170