A. XYZ Corporation depreciated one of its pieces of heavy machinery using the straight-line method for financial accounting depreciation and accelerated depreciation for tax purposes. If depreciation for book purposes is less than depreciation for tax purposes, what is the nature of the book-tax difference associated with the difference between book and tax depreciation (i.e., each year when we record depreciation)? B. XYZ Corporation sold some of its machinery at a gain. XYZ Corporation used the straight-line method for financial accounting depreciation and immediate expense for tax cost recovery. If accumulated depreciation for book purposes is less than accumulated depreciation for tax purposes, what is the nature of the book-tax difference associated with the gain on the sale? For A and B answer Temporary or permanent? Favorable or unfavorable? For each