finance an investment that is expected to increase the firm's net operating income by $392,000 a year. a. What is Karson's times interest earned ratio before the loan is taken out and the investment is made? b. What effect will the loan and the investment have on the firm's times interest earned ratio? a. What is Karson's times interest earned ratio before the loan is taken out and the investment is made? The times interest earned ratio is times. (Round to two decimal places.)