161. XYZ Co. incurred the following costs related to the office building used in operating its sports supply company:
a.Replaced a broken window.
b.Replaced the roof that had been on the building 23 years.
c.Serviced all the air conditioners before summer started.
d.Replaced the air conditioners with refrigerated air conditioners in the customer service areas.
e.Added a warehouse to the back of the building.
162. Equipment purchased at the beginning of the fiscal year for $360,000 is expected to have a useful life of 5 years, or 14,000 operating hours, and a residual value of $10,000. Compute the depreciation for the first and second years of use by each of the following methods:
163. Machinery is purchased on July 1 of the current fiscal year for $240,000. It is expected to have a useful life of 4 years, or 25,000 operating hours, and a residual value of $15,000. Compute the depreciation for the last six months of the current fiscal year ending December 31 by each of the following methods: