For the given financial data for a new asset, determine how long this asset should be kept. Assume an interest rate (MARR) of 12%. End of Year (n) Investment Cost Operation and Maintenance Salvage Value 0 $10,000 1 2 3 $2,000 $3,000 $4,200 $5,600 $6,500 $6,000 $4,500 $3,000 $1,500 $0 4 5