Please help, i dont know what im doing wrong. :(

3 Problem 6-10 5 points United Research Associates (URA) had received a contract to produce two units of a new cruise missile guidance control. The first unit took 5.000 hours to complete and cost $50,000 in materials and equipment usage. The second took 3,500 hours and cost $30,000 in materials and equipment usage. Labor cost is charged at $25 per hour The prime contractor has now approached URA and asked to submit a bid for the cost of producing another 20 guidance controls. Use Exhibit 64 and Exhibit 65 a. What will the last unit cost to build? (Round your answer to the nearest dollar amount.) Answer is complete but not entirely correct. Cost of last $ 56,403 unit b. What will be the average time for the 20 missile guidance controls? (Round your answer to the nearest whole number.) Answer is complete but not entirely correct. Average 2,383 hours c. What will the average cost be for guidance control for the 20 in the contract? (Round your answer to the nearest dollar amount.) Answer is complete but not entirely correct. 575110 ops Inbox (9539Dia exhibit 6.5 Improvement Curves: Table of Cumulative Values Xcel CEMENT FOR 703 795 6 955 + 1000 1000 100 1000 1000 1.000 1.000 1.900 1600 1.700 1.950 2 3 1650 2.155 2746 2.872 2.045 2005 2.354 200 2.502 3.142 2023 3345 4 2.578 2.750 3195 5 2.750 3.450 3173 4339 2.900 3.214 4031 46 6 4290 5.101 5.53 29 3.21 3572 4380 4 5.845 6.404 5 306 5936 8.574 7261 4102 5.200 7290 2030 2013 5.00 6.315 10 4.301 7994 7.115 8.24 4144 4.780 7227 10.62 5.501 6.000 6.315 6.904 14 5.177 B.632 9.391 10 4704 8.900 10.30 13.91 6.514 6.912 7.835 3245 18 40 5.679 2716 13.30 20 5171 6198 TOT 10.40 22 5.379 6.492 7.819 11.23 1338 15 M 1872 24 5.514 8.213 9.928 6773 6909 25 5. 10.19 177! 21.10 30 8.00 7540 2.305 SOP 25.00 35 10.13 12.72 15.54 19.29 23 67 8.100 8601 40 10 10.90 13.72 21.43 45 7.134 9.114 11.6 14.77 T. 36.47 50 12.31 13.57 23.50 25.51 29.41 80 7.941 15.78 20:12 176 2287 25.47 10.30 37 40.22 47.65 5499 70 8.491 21.00 62.25 80 90 18.30 89.45 9.191 9530 100 17.79 32.65 43.75 58.14 120 10.16 14.11 37.05 50:30 67.90 19.57 21.20 76.50 90.71 104.7 10.72 2967 7746 15.08 15.07 100 1121 62.95 118.5 180 2414 19.03 95.36 1321 12.09 74.79 16.70 17.56 19.20 20.81 250 13.01 2006 BR 1792 300 13.81 3134 94 1992 1482 2122 360 14.51 22.18 51.48 1890 23.44 55.75 05 1276 450 15.72 24.50 M 59.80 9197 2002 2283 270 3000 340.6 16.26 25.68 600 600 9885 1120 151.5 1742 1721 27.67 70 ST TTTT 4033 4053 3045 700 18.00 800 4804 51.36 1303 3100 32.80 2173 5205 418 30 25 3410 3769 5446 5872 5740 1587 3101 36.50 1.200 21:30 4122 4812 1070 179.7 2960 1.400 166.6 542 1001 1172 1203 23.23 24.06 41.04 72.49 1.800 2186 2388 3009 4049 1359 6788 1116 1 2544 2.000 2.500 3.000 240 25.53 7423 1970 48.97 90.30 5208 1650 TOT 1230 1513 1791 27.99 98.00 3352 1047 Improvement Curves: Table of Unit Value U PONENT FACTOR 1 00001 10000 10000 10000 10000 10000 10000 10000 2 03 BODO 3 SOS 5682 5338 7021 7720 9219 3000 SA 6490 8100 5 3054 3678 5127 5056 6857 7830 2070 INC 4754 7616 7 2054 4059 307 TAS 2160 3430 4219 5120 6141 7290 1980 30 2301 OC 7047 476 4193 2135 2734 GO 1602 1450 14 1900 2572 4275 5380 3226 3344 3184 SE 2001 4000 6661 $15 1290 1188 1000 1650 3013 SOR 20 1554 2101 054 012 22 1005 2008 3807 6251 70 24 0961 CHE 2772 2574 2020 6160 7904 4701 6131 OS 0815 2037 3346 3 0728 509 1605 2280 3184 4365 5825 BT 1010 2183 7811 45 0800 2000 2936 SON 0660 1972 60 0480 SBIO 1216 3820 700437 1715 8000 1000 3579 5137 1231 SO 000 100 0396 1470 2271 20 7112 2141 2017 100 1990 Ons 127 2008 4718 160 102 CIOC 1600 0001 1217 1150 1100 1879 4561 200 1616 5801 2740 0987 2532 250 0171 300 0540 350 400 0121 450 0111 500 0903 0458 1453 .5419 0224 0431 2540 SO 6210 000 2129 3888 314 600 0000 03 Gros 2232 700 0171 0990 1214 2152 800 01ST 046 001 2029 6045 5098 0937 0290 0300 9000001 1.000 1.200 9054 0018 1062 1020 0050 0111 0240 0006 0671 1100 1.600 0990 1773 5093 0011 06 3000 0010 DOST 2.000 2.500 3.000 067 00 0001 0173 3044 5600 1507 1530 OTGO 2061 5530