A decrease in taxes on interest income would increase the interest rate

One way to approach saving is to have a goal of building a(n) ______________ of three to six month's income

a. Emergency fund b. Umbrella reserve c. Quantity fund d. Production/consumption reserve

Refer to the diagram, which relates to Firm A. Which of the following would shift A's average total cost curve from ATC 1 to ATC 2 ?

A.  An increase in the price of a key component used by A in producing its product.
B.  A decrease in the incomes of A's customers.
C.  A move along A's total product curve (not shown).
D.  An improved production method that shifts A's total product curve upward.