equipment acquired on january 6 at a cost of $144,900 has a estimated useful life of 7 years and an estimated residual value of $18900

a. what was the annual amount of depreciation for years 1-3 using the straight line method of depreciation?

year 1:

year 2:

year 3:

b. what was the book value of the equipment on january 1 of year 4?

c. assuming that the equipment sold on january 3 of year 4 for $86400 journalize the entry to record the sale. if an amount doesnt require the entry leave it blank?(answer options: accumulated depreciation equipment, cash, equipment, gain on sale equipment, loss on sale equipment) also debit or credir box

d.assuming that the equipment has been sold on january 3 of year 4 for $92700 instead of $86400 journalize the entry to record the sale. (answer options: cash , depreciation expense equipment, equipment, gain on sale of equipment, loss on sale of equipment) also debit or credit box