11. The following annual costs are associated with three new extruder machines being considered for use in a Styrofoam cup plant. The company's interest rate (MARR) is 12%. Which extruder should the Styrofoam company choose? SUPR-X Data X X-TRUD Useful Life, Years 9 13 First Cost Salvage Value $82,000 11 $2,300,000 $2,780,000 $2,540,000 $118,000 $97,000 Annual Benefit $580,000 $670,000 $650,000 M&O $65,000 $78,000 $71,000 M&O Gradient $11,000 $15,000 $12,500