42 (1 point) What is the numerator and what is the denominator to be used in computing depreciation for the third year of use of an asset with a life of seven years if the sum- of-the-years'-digits method is used? O numerator = 5; denominator = 28 O numerator = 6; denominator = 28 O numerator = 7; denominator = 20 O numerator = 8; denominator = 21