You are planning to purchase a stove. Your options are: Model 1 Model 2 Cost $6,000 $6,500 Estimated Life - years 5 5 Trade in value at end of life $900 $1,100 Cash from sale of old machine $200 $200 Installation cost $250 $200 Building renovation costs $1,500 $1,500 Training cost $400 $350 Annual maintenance $275 $200 Annual supplies cost $135 $225 Employee wages $35,000 $35,000