Champion Contractors completed the following transactions and events involving the purchase and operation of equipment in its business.

2014
Jan.	1	Paid $306,000 cash plus $12,240 in sales tax and $1,900 in transportation (FOB shipping point) for a new loader. The loader is estimated to have a four-year life and a $30,600 salvage value. Loader costs are recorded in the Equipment account.
Jan.	3	Paid $5,000 to enclose the cab and install air conditioning in the loader to enable operations under harsher conditions. This increased the estimated salvage value of the loader by another $1,500.
Dec.	31	Recorded annual straight-line depreciation on the loader.

2015
Jan.	1	Paid $4,700 to overhaul the loaders engine, which increased the loaders estimated useful life by two years.
Feb.	17	Paid $1,175 to repair the loader after the operator backed it into a tree.
Dec.	31	Recorded annual straight-line depreciation on the loader.

Required:

Prepare journal entries to record these transactions and events.