Which of the following is the best example of a marginal change? select one: a. after graduating college, audrey's income increases from $500 per month to $3,000 per month. b. morgan gets a raise at her part-time job and is now paid $7.25 per hour instead of $7.00. c. housing prices in an area increase by 40 percent when a new interstate is built that passes nearby. d. a hard freeze wipes out half of the orange crop in florida and the price of orange juice doubles.

Bayside coatings company purchased waterproofing equipment on january 2, 20y4, for $190,000. the equipment was expected to have a useful life of four years and a residual value of $9,000. instructions: determine the amount of depreciation expense for the years ended december 31, 20y4, 20y5, 20y6, and 20y7, by (a) the straight-line method and (b) the double-declining-balance method. also determine the total depreciation expense for the four years by each method. depreciation expense year straight-line method double-declining-balance method 20y4 $ $ 20y5 20y6 20y7 total $