Answer:
E. last year's GDP was increased by the inventory value of the iPods™, and this year's GDP increases by the retail value of the iPods™ less their inventory value from last year.
Step-by-step explanation:
Apple™ sells 40,000 iPods™ that were produced last year, to new customers. As a result last year's GDP was increased by the inventory value of the iPods™, and this year's GDP increases by the retail value of the iPods™ less their inventory value from last year.