Detailed explanation of both questions please

aaw.of 10 units at a cost of $16 each on. Dc 15. A com purchased December 2, they purchased 13 units at $18 each. On December 6 they purchased 5 units at $21 each. On December 8, they sold 18 units for $40 each. Using the FIFO perpetual inventory method, what was the cost of the 18 units sold? A) $265. B) $195. C) $250. D) $304. E) $339. 16. The New Deal is a used-car dealership which owns the following four assets. Identify those which are considered plant assets. 1. Cars and vans which they plan to sell to customers 2. A van which is used to provide courtesy rides to customers who are having their cars serviced at the dealership. 3. A show room used to display some of the more high-end vehicles for sale 4. A building and land which was purchased as an investment which are not used in the company's operations. A) Items 1 and 2 are plant assets. B) Items 1, 3 and 4 are plant assets. C) All are plant assets. D) Items 2 and 3 are plant assets. E) Items 3 and 4 are plant assets