Answer:
The total economic cost is $40,500 per year
Step-by-step explanation:
The total economic cost per year is equal to the sum of:
* The opportunity cost relating to sacrificing the current work Greg is working on which is equal to his yearly salary of : $40,00.
* The opportunity cost relating to sacrificing the interest income earned on $10,000 saving, which he is now used for purchasing equipment, which is calculated as: 10,000 * current rate of savings = 10,000* 5% = $500 ( total cost of equipment is not included because e could sell the equipment for what he paid later on).
=> So, total economic cost per year is $40,000 + $500 = $40,500.