Net Present Value Method and Present value Index Diamond and Turf Inc. is considering an investment in one of two machines. The sewing machine will increase productivity from sewing 170 baseballs per hourto sewing 306 per hour. The contribution margin per unit is $0.38 per baseball. Assume that any increased production of baseballs can be sold. The second machine is an automatic packing machine for the golf ball line. The packing machine will reduce packing labor cost. The labor cost saved is equivalent to $22 per hour. The sewing machine will cost $243,200, have a sixyear life, and will operate for 1,400 hours per year. The packing machine will cost $80,900, have a sixvearlife, and will operate for 1,200 hours per year. Diamond and Turf seeks a minimum rate of return of 15% on its investments. Present Value of an Annuity of $1 at Compound Interest Yea r 6% 10% 1 2% 1 5% 20% 1 0.943 0.909 0.393 0.3?0 0.333 2 1.333 1.?36 1.690 1.626 1.523 ' 3 2.6?3 2.43? 2.402 2.233 2.106 I 4 3.465 3.1?0 3.03? 2.355 2.539 5 4.212 3.?91 3.605 3.353 2.991 6 4.91? 4.355 4.111 3.?35 3.326 I" 5.532 4.363 4.564 4.160 3.605 3 6.210 5.335 4.963 4.43? 3.33? 9 6.302 5.?59 5.323 4.??2 4.031 10I ?.360 6.145 5.650 5.019 4.192 a. Determine the net present value for the two machines. Use the table of present values of an annuityr of $1 above. Round to the nearest dollar. Sewing Machine Packing Machine Present value of annual net cash ows Amount to be invested Net present value 000 000 b. Determine the present value index for the two machines. If required, round vour answers to two decimal places. Sewing Machine Packing Machine Present value index S c. If Diamond and Turf has sufcient funds for only one of the machines and qualitative factors are equal between the two machines, in which 0 machine should it invest? [If both present value indexes are the same, either machine will grade as correct.) v