1. What are adjusting entries and why are they necessary?

2. What are closing entries and why are they necessary?

3. Jay Hawk, maintenance supervisor for Boston Insurance Co., has purchased a riding lawnmower and accessories to be used in maintaining the grounds around corporate headquarters. He has sent the following information to the accounting department.

Cost of   mower and accessories

$4,000

Date   purchased

7/1/2012

Estimated   useful life

5 yrs

Monthly   salary of groundskeeper

$1,100

Salvage   value

$0

Estimated   annual fuel cost

$150

Compute the amount of depreciation expense (related to the mower and accessories) that should be reported on Boston’s December 31, 2012, income statement. Assume straight line depreciation.