A firm produces 100 units of some good in the year 2017 but only manages to sell 90 of the units. When we calculate GDP for the year 2017 we will count the value of the 90 units sold and ignore the value of the 10 units not sold.
a. Include the value of all 100 units in GDP
b. Include the value of the 90 units sold in GDP
c. Include the value of the 10 units not sold in GDP
d. Do not include the value of any units in GDP