3-4 A firm is considering two altenatives that have no salyage value Initial cost Uniform annual benefits Useful life, in years 10,700 $5SCO 1800 2,100 At the end of 4 years, another B may be purchased with the same cost, benefits, and so forth. (a) Construct a choice table for interest rates from 0% to 100%. (b) If the MARR is 10%, which alternative should be selected