Answer:
$2,000 Decrease
Step-by-step explanation:
Calculation to determine what The annual increase or decrease on the company's operating incomes as a result of buying the part from the outside supplier would be:
First step is to calculate C saving from not producing parts
C saving from not producing parts = $12 + (2/3 x $9)
C saving from not producing parts = $18
Now let determine The annual increase or decrease on the company's operating incomes
purchase price = $20
Annual increase or decrease =($20-$18) x 1,000
Annual increase or decrease =$2 more per unit x 1,000
Annual increase or decrease = $2,000 decrease
Therefore The annual increase or decrease on the company's operating incomes as a result of buying the part from the outside supplier would be:$2,000 Decrease