please show all the work

Consider an asset that costs $878,400 and is depreciated straight-line to zero over its nine-year tax life. The asset is to be used in a six-year project; at the end of the project, the asset can be sold for $135,100. (Do not round intermediate calculations.)
Required:
What is the book value of the equipment in 6 years?
Book value
If the relevant tax rate is 30%, what is the aftertax cash flow from the sale of this asset?
Aftertax salvage value