3.12 From the interest tables in the text, determine the values of the following factors by interpolation, and compare your answers with those obtained by evaluating the F/P factor or the P/F factor: (a) The single-payment compound-amount factor for 38 periods at 9.5% interest (b) The single-payment present-worth factor for 47 periods at 8% interest 3.12 From the interest tables in the text, determine the values of the following factors by interpolation, and compare your answers with those obtained by evaluating the F/P factor or the P/F factor: (a) The single-payment compound-amount factor for 38 periods at 9.5% interest (b) The single-payment present-worth factor for 47 periods at 8% interest