A new machine that costs $223,059 is expected to save annual cash operating costs of $50,000 over each of the next nine years. Using the tables that follow, the machine's internal rate of retum is: \begin{tabular}{|ccccccccccc} \hline & \multicolumn{9}{c}{ Present Value of a Series of $1} & Cash Flows \\ Periods & 48 & 68 & 88 & 108 & 128 & 148 & 168 & 188 & 208 \\ \hline 1 & 0.962 & 0.943 & 0.926 & 0.909 & 0.893 & 0.877 & 0.862 & 0.847 & 0.833 \\ 2 & 1.886 & 1.833 & 1.783 & 1.736 & 1.690 & 1.647 & 1.605 & 1.566 & 1.528 \\ 3 & 2.775 & 2.673 & 2.577 & 2.487 & 2.402 & 2.322 & 2.246 & 2.174 & 2.106 \\ 4 & 3.630 & 3.465 & 3.312 & 3.170 & 3.037 & 2.914 & 2.798 & 2.690 & 2.589 \\ 5 & 4.452 & 4.212 & 3.993 & 3.791 & 3.605 & 3.433 & .3.274 & 3.127 & 2.991 \\ 6 & 5.242 & 4.917 & 4.623 & 4.355 & 4.111 & 3.889 & 3.685 & 3.498 & 3.326 \\ 7 & 6.002 & 5.582 & 5.206 & 4.868 & 4.564 & 4.288 & 4.039 & 3.812 & 3.605 \\ 8 & 6.733 & 6.210 & 5.747 & 5.335 & 4.968 & 4.639 & 4.344 & 4.078 & 3.837 \\ 9 & 7.435 & 6.802 & 6.247 & 5.759 & 5.328 & 4.946 & 4.607 & 4.303 & 4.031 \\ 10 & 8.111 & 7.360 & 6.710 & 6.145 & 5.650 & 5.216 & 4.833 & 4.494 & 4.192 \\ \hline \end{tabular}