Data for problems 9-1 to 9-4 Data for four mutually exclusive alternatives are given in the table below. Assume a life of 7 years and a MARR of 9%, Alt. A Alt. B Alt. C Initial Cost $5,600 EUAB $1,400 Salvage Value $400 $3,400 $1,000 $0 $1,200 $400 $0 Alt. D Do Nothing $0 $0 $0 Problem 9-1 The AB/AC ratio for the first increment, (C-D) is A. 1.19 B.0.84 C. 1.68 D. 1.86 D. 1.86 Problem 9-2 The AB /AC ratio for the second increment, (B-C) is A. 1.37 B. 0.84 C. 1.45 Problem 9-3 The AB/AC ratio for the third increment, (A-B) is A. 0.84 B. 0.92 C. 0.75 Problem 9-4 The best alternative using B/C ratio analysis is A. Alt. C B. Alt. A C. Alt. B D. 0.69 D. Alt. D