DO NOT USE EXCEL, MANUAL WORK REQUIRED. An equipment purchase is being considered by City of Dallas. The initial cost is determined to be $900,000. The future savings are estimated as shown in the following table. The interest rate is 12% annual. Year 2 3 4 5 Cash Flows ($) -900,000 200,000 200,000 200,000 200,000 200,000 300,000 6 a. Find The B/C ratio for this investment by using PW b. Find The B/C ratio for this investment by using EUAW c. Find The B/C ratio for this investment by using FW