Johnson Industries received a contract to develop and produce four high-intensity long-distance receiver/transmitters for cellular telephones. The first took 2,400 labor hours and $42,000 worth of purchased and manufactured parts; the second took 1,820 labor hours and $36,120 in parts; the third took 1,580 labor hours and $33,230 in parts; and the fourth took 1,347 labor hours and $30,340 in parts. Johnson was asked to bid on a follow-on contract for another dozen receiver/transmitter units. (Hint: There are two learning curves- one for labor and one for parts.) Use Exhibit 6.5. a. How many labor hours should Johnson estimate are needed for the additional 12 units? (Round your answer to the nearest whole number.) Estimated labor hours b. How much should Johnson estimate the parts cost will be for the additional 12 units? (Round your answer to the nearest dollar amount.) Estimated parts cost Exhibit 6.5 Improvement Curves: Table of Cumulative Values 60% 95% Unit 1 1.000 1.600 2 65% 1.000 1.650 2.155 2.578 85% 1.000 1.850 2.623 3.345 90% 1.000 1.900 2.746 3.556 1.000 1.950 2.872 3.774 3 2.045 4 2.405 5 2.710 2.946 4.031 4.662 6 3.274 4.688 4.339 5.101 5.845 5.538 6.404 7 3.572 5.322 2.977 3.216 3.432 3.630 8 3.847 4.102 Cumulative Improvement Factor 70% 75% 80% 1.000 1.000 1.000 1.700 1.750 1.800 2.268 2.384 2.502 2.758 2.946 3.142 3.195 3.459 3.738 3.593 3.934 4.299 3.960 4.380 4.834 4.303 4.802 5.346 4.626 5.204 5.839 4.931 5.589 6.315 5.501 6.315 7.227 6.026 6.994 8.092 6.514 7.635 8.920 6.972 8.245 9.716 7.407 8.828 10.48 7.819 9.388 11.23 8.213 9.928 11.95 8.404 10.19 12.31 6.574 7.290 7.261 8.111 9 5.936 6.533 7.116 8.244 10 3.813 4.144 4.341 4.780 7.994 9.374 12 8.955 10.62 12.27 14 4.438 5.177 9.331 10.72 12.04 16 4.704 5.541 10.38 13.91 18 4.946 11.41 20 5.879 6.195 6.492 12.40 13.33 14.61 15.86 22 13.38 5.171 5.379 5.574 5.668 15.52 17.13 18.72 20.31 21.10 24 25 6.773 6.909 14.33 14.80 17.10 17.71 30 6.097 7.540 9.305 11.45 14.02 17.09 20.73 25.00 35 6.478 8.109 10.13 12.72 15.64 19.29 23.67 28.86 40 6.821 8.631 10.90 13.72 17.19 21.43 26.54 32.68 45 7.134 9.114 11.62 18.68 23.50 29.37 36.47 14.77 15.78 50 7.422 9.565 12.31 20.12 25.51 32.14 40.22 60 7.941 10.39 13.57 17.67 22.87 29.41 37.57 47.65 70 8.401 11.13 14.74 19.43 25.47 33.17 42.87 54.99 80 8.814 11.82 15.82 21.09 27.96 36.80 48.05 62.25 90 9.191 12.45 16.83 22.67 30.35 40.32 53.14 69.45 100 9.539 13.03 17.79 24.18 32.65 43.75 58.14 76.59 120 10.16 14.11 19.57 27.02 37.05 50.39 67.93 90.71