he state's Secretary of Education is considering the purchase of a new computer for $100,000. A cost study indicates that the new computer should save the Department of Education $30,000, measured in real dollars, during each of the next eight years.

The real interest rate is 20 percent and the inflation rate is 10 percent. As a governmental agency, the Department of Education pays no taxes.

UseAppendix Afor your reference.

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\fFuture Value and Present Value Tables Table I Period 4% 6% 8% 10% 12% 14% 20% Future Value of $1.00(1 + ) 1.040 1.060 1.080 1.100 1.120 1.140 1.200 1.082 1.124 1.166 1.210 1.254 1.300 1.440 1.125 1.191 1.260 1.331 1.405 1.482 1.728 1.170 1.263 1.361 1.464 1.574 1.689 2.074 1.217 1.338 1.469 1.611 .762 1.925 2.488 1.265 1.419 1.587 1.772 1.974 2.195 2.986 1.31 1.504 1.714 1.949 2.211 2.502 3.583 1.36 1.594 1.851 2.144 2.476 2.853 4.300 1.423 1.690 1.999 2.359 2.773 3.252 5.160 1.480 1.791 2.159 2.594 3.106 3.707 6.192 1.540 1.898 2.332 2.853 3.479 4.226 7.430 1.601 2.012 2.518 3.139 3.896 4.818 8.916 1.665 2.133 2.720 3.452 4.364 5.492 10.690 1.732 2.261 2.937 3.798 4.887 6.261 12.83 1.801 2.397 3.172 4.177 5,474 7.138 15.407 2.191 3.207 4.661 6.728 9.646 13.74 38.338 3.24 5.744 10.063 17.450 29.960 50.950 37.380 10 4.801 10.286 21.725 45.260 93.051 188.880 1,469.800 Table II Period 4% 6% 8% 10% 12% 14% 20% Future Value of a Series of 1.000 1.000 1.000 1,000 1.000 1.000 1.000 $1.00 Cash Flows 2.060 2.080 2.100 2.120 2.140 2.220 (Ordinary Annuity) 2.040 (1 + 1)" - 1 3.12 3.184 3.246 3.31 3.374 3.440 3.640 4.247 4.375 1.506 4.641 4.779 4,921 5.368 5.416 5.637 5.867 6.105 6.353 6.610 7.442 3.633 6.975 7.336 7.716 8.115 8.536 9.930 7.898 3.394 8.923 9.487 10.089 10.730 2.916 9.214 9.898 10.637 1.436 2.300 13.233 16.499 10.583 11.491 12.488 13.58 14,776 16.085 20.799 10 12.006 13.181 14.487 15.938 17.549 19.337 25.959 13.486 14.972 16.646 18.531 20.655 23.045 32.150 15.026 16.870 18.977 21.385 24.133 27.271 39.580 13 16.627 18.882 21.49 24.523 28.029 32.089 48.497 18.292 21.015 24.215 27.976 32.393 37.581 59.19 20.024 23.276 27.152 31.773 37.280 43.842 72.035 20 29.778 36.778 45.762 57.276 75.052 91.025 186.690 56.085 79.058 113.283 164.496 241.330 356.790 1,181.900 95.026 154.762 259.057 442.597 767.090 1,342.000 7,343.900 Table III Present Value of $1.00 ( 1 + 1 )n Period 4% 6 8% 10% 12% 14% 16% 18% 20% 22% 24% 26% 28% 30% 32% 758 962 943 926 909 893 877 86 .847 833 820 .806 794 781 769 574 925 890 857 826 797 769 743 718 672 650 630 610 592 455 435 889 840 794 751 .712 675 641 609 579 551 524 500 477 350 329 355 792 735 683 636 592 552 516 182 451 423 397 373 747 681 621 567 519 476 437 102 370 .341 .315 .291 269 .250 822 790 705 630 564 .507 456 410 .370 335 .303 .275 .250 227 207 .189 760 665 583 513 452 400 354 .314 279 249 222 198 .178 159 143 540 108 327 .123 73 467 404 351 305 .266 233 204 179 157 .139 424 361 308 .263 .225 194 .167 .144 .125 .108 094 082 .703 592 500 676 558 463 .386 .322 270 .227 191 162 137 116 .099 .085 073 062 .047 650 527 429 350 .287 .237 195 162 .135 112 .094 .079 066 .056 625 497 397 .319 .257 .208 .168 .137 .112 .092 076 062 052 .043 .036 .601 469 368 290 .229 .182 .145 .116 .093 .075 061 050 .040 .033 .027 577 442 340 263 205 160 125 099 078 062 049 039 032 .025 021 239 183 ,140 ,108 .084 065 051 040 031 .025 020 .016 555 417 315 20 456 312 215 149 104 .073 051 037 026 019 .014 010 007 005 .004 308 174 099 057 033 .020 012 .007 004 003 .002 001 .001 208 097 046 022 011 005 .003 001 00 Table IV Present Value of Series of $1.00 Cash Flows 1/ 1 1 (1 + 1 7 / 24% 25% 26% 28% 30% Period 4% 6% 8% 10% 12% 14% 16% 18% 22% 0.962 0.943 0.926 0.909 0.893 0.877 0.862 0.847 0.833 0.820 0.806 0.800 0.794 0.781 0.769 1.833 1.783 1.736 1.690 1.647 1.605 1.566 1.528 1.492 1.457 1.440 1.424 1.392 1.361 1.886 2.775 2.673 2.577 2.487 2.402 2.322 2.246 2.174 2.106 2.042 1.981 1.952 1.923 1.868 1.816 3.630 3.465 3.312 3.170 3.037 2.914 2.798 2.690 2.589 2.494 4 2.404 2.362 2.320 2.241 2.166 4.452 4.212 3.993 3.791 3.605 3.433 1 3.127 2.991 2.864 2.745 2.689 2.635 2.532 2.436 5.242 4.917 4.623 4.355 4.111 3.889 3.685 3.498 3.326 3.167 3.020 2.951 2.885 2.759 2.643 B.002 5.582 5.206 4.868 4.564 4.288 4.039 3.812 3.605 3.416 3.242 3.161 3.083 2.937 2.802 6.210 5.335 4.968 4.639 4.344 4.078 3.619 3.421 3.329 3.241 3.076 2.925 Co 3.733 5.747 3.837 7.435 6.802 6.247 5.759 5.328 4.946 4.607 4.303 4.031 3.786 3.566 3.463 3.366 3.184 3.019 8.11 7.360 6.710 6.145 5.650 5.216 4.833 4.494 4.192 3.923 3.682 3.571 3.465 3.269 3.092 3.335 3.147 8,760 7.887 7.139 6.495 5.938 5.453 5.029 4.656 4.327 4.035 3.776 3.656 3.544 9.385 8.384 7.536 6.814 6.194 5.660 4.793 4.439 4.127 3.851 3.725 3.606 3.387 3.190 9.986 8.853 7.904 7.103 6.424 5.842 5.342 4.910 4.533 4.203 3.912 3.780 3.656 3.427 3 3.223 10.563 9.295 8.244 7.367 6.628 6.002 5.468 5.008 4.611 4.265 3.962 3.824 3.695 3.459 3.249 11.118 9.712 8.559 7.606 6.811 6.142 5.575 5.092 4.675 4.315 4.001 3.859 3.726 3.48 3.268 13.590 11.470 8.514 7.469 6 6.623 5.929 5.353 4.870 4.460 4.110 3.964 3.808 3.316 17.292 13.765 11.258 9.427 8.056 7 7.003 6.177 5.517 4.979 4.534 4.160 3.995 3.842 3.569 3.332 40 19.793 15.046 11.925 9.779 8.244 7 7.105 6.234 5.548 4.997 4.544 4.166 3.999 3.846 3.5713