Compare the alternatives C and D on the basis of a present worth analysis using an interest rate of 12.9% per year and study period of 10 years.
Alternative First Cost AOC per Year Annual Increase in Operating Cost per Year Salvage Value Life Years
C $44,000 $11,000
D $27,000 $2,500
C $400
C $800
D $13,000
D $400
The present worth of alternative C is $______.
The present worth of alternative D is $______.
Alternative D offers the lower present worth.