A utility vehicle is purchased for $32,000, kept for 4 years, and sold for $20,000. Annual operating and maintenance costs were $3,450; while it saved $15,000 per year. Using a 10% minimum attractive rate of return, determine the External Rate of Return (ERR 21.506 225 2936 0252 2005 19.57 23.15% 241 The cost of a machine is $10,000 and the salvage value is $2,000 after 12 years. What equal annual cost over its life is equivalent with 25% annual interest rate? 0 - $965.64 - $1,989.49 - $2,299.66 0. $1,508.97 0.$3,075.04 0 - $2,647.58 - $1.005,62 . $1,773.01 . $1,365.83 0. $3,209.58 0 $2,890.05 0 - $4,665.93 $1,598.89