The owner of the farm wants to calculate the value of 6 Dorper sheep that she has. The sheep cost $300 each, have an expected useful life of 7 years, and a salvage value of $20 each.

 Necessary

Using the straight-line depreciation method, what is the annual depreciation per sheep?

Graph how the value of one of these sheep changes if annual depreciation is taken into account, for the straight-line method. 

Using the straight-line depreciation method, what is the book value of the 6 sheep at 30 months? Build the depreciation table. 

Using the simple declining balance method, what is the book value of the 6 sheep at 30 months? Build the depreciation table.