Kevin is a retired teacher who lives in Philadelphia and teaches tennis lessons for extra cash. At a wage of $40 per hour, he is willing to teach 7 hours per week. At $50 per hour, he is willing to teach 10 hours per week. Using the midpoint method, the elasticity of Kelvin's labor supply between the wages of $40 and $50 per hour is approximately, which means that Kelvin's supply of labor over this wage range is:.

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 $

Ski powder resort ends its fiscal year on april 30. the business adjusts its accounts monthly, but closes them only at year-end (april 30). the resort's busy season is from december 1 through march 31. adrian pride, the resort's chief financial officer, the museums a close watch on lift ticket revenue and cash. the balances of these accounts at the end of each of the last five months are as follows:

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