(Supplement) Irish Industries purchased a machine for $65,000 and is depreciating it with the straight-line method over a life of 10 years, using a residual value of $3,000. At the beginning of the sixth year, a major overhaul was made costing $5,000, and the total estimated useful life was extended to 13 years. Depreciation expense for year 6 is:

1. $1,885
2. $2,000
3. $3,250
4. $3,625
5. $4,500 (please explain how you got the answer ################)