Captain Kirk is refurbishing the transporter room of the Starship Enterprise. The cost basis for this project is $20 billion. After 25 years of use it can be sold to the Cardasians for $5 billion. The number of years depreciation is 25 for straight-line and declining balance.

If Captain Kirk uses the declining balance depreciation method, what is the value of d₃?

the Straight-line depreciation method was = 0.6

and the declining balance depreciation method should = 1.35