Answer:
$14,371,240
Explanation:
The present worth in year 0 of these energy costs at an interest rate of 6% per year will be the net present value when the yearly amounts are discounted at 6%.
Amounts for years 1-3 is 1,400,000 while from years 4-12 is 1,430,000
See attached Calculations
The Net Present Value is $14,371,240