Montana Oil Company, which prepares financial statements on a calendar year basis, purchased new drilling equipment on July 1, 2003. A breakdown of the cost follows:

Cost of drilling equipment .

$75,000

Cost of cement platform

25,000

Installation charges

13,000

Freight costs for drilling equipment

2,000

Total

$115,000

Assuming that the estimated life of the drilling equipment is 10 years and its salvage value is $5,000:

1. Record the purchase on July 1, 2003.

2. Assume that the drilling equipment was recorded at a total cost of $95,000. Calculate the depreciation expense for 2003 using the following methods:

a. Sum of the years digits.

b. Double declining balance.

c. 150% declining balance.

3. Prepare the journal entry to record the depreciation for 2003 in accordance with 2(a).