please help

It has been decided that whole body scanning technology will be used for airport security purposes. Two types of devices are being considered at a certain airport: back scatter (B) and millimeter wave (W). The selected scanning equipment is to be used for six years. The economic decision criterion at this airport is to meet or exceed a 18% annual return on its investment. Based on the data given below, which scanner should be selected? Use the PW method of analysis. Factor B W Capital investment $170,000 $250,000 Useful life (years) 6 10 Annual expenses $32,000 in the first year and increasing $20,000 in the first year and increasing $2, 100 per year thereafter 5.7% per year thereafter Market value (end of useful life) $22,000 $40,000 i Click the icon to view the two rules that may be applied in this situation. i More Info Click the icon to view the interest and annuity table for discrete compour The PW of the device B is $ thousand. (Round to the nearest whole numb es Discrete Compounding; i = 18% The PW of the device W is $ thousand. (Round to the nearest whole numb Single Payment Uniform Series Compound Compound Sinking Capital Which device should be chosen? Choose the correct answer below. Amount Present Amount Present Fund Recovery Factor Worth Factor Factor Worth Factor Factor Factor O W To Find F To Find P To Find F To Find P To Find A To Find A Given P Given F Given A Given A Given F Given P O B N F/P P/F FIA P/A A/F A/P 0.8475 Which rule did you use in your analysis? Choose the correct answer below. 1. 1800 1.0000 0.8475 1.0000 1. 1800 1.3924 0.7182 2. 1800 1.5656 0.4587 0.6387 1.6430 0.6086 3.5724 2.1743 0.2799 0.4599 Rule 2 1.9388 0.5158 5.2154 2.6901 0. 1917 0.3717 O Rule 1 6 0 VO UIA WN - 2.2878 0.4371 7.1542 3.1272 0. 1398 0.3198 2.6996 0.3704 9.4420 3.4976 0. 1059 0.2859 3.1855 0.3139 12.1415 3.8115 0.0824 0.2624 3.7589 0.2660 15.3270 4.0776 0.0652 0.2452 4.4355 0.2255 19.0859 4.3030 0.0524 0.2324 10 5.2338 0. 1911 23.5213 4.4941 0.0425 0.2225 11 6.1759 0.1619 28.7551 4.6560 0.0348 0.2148 Click to select your answer(s) 12 7.2876 0. 1372 34.9311 4.7932 0.0286 0.2086 13 8.5994 0. 1163 42.2187 4.9095 0.0237 0.2037 14 10.1472 0.0985 50.8180 5.0081 0.0197 0. 1997 15 11.9737 0.0835 60.9653 5.0916 0.0164 0. 1964