4, 50 POINTS ehr purpose of detecting deserioration of structuralintrgtiy well before cassstrophic faaure Deployment of this sensor is projected to Peovide savicen for operatori vntematizirg preventive maintenance and nainimizing on-track wheel failures An economic model for BNSF that avings will be$100,000 per year for the fint 5 years tndwa increase by $10,000 per year for the nem 15 years. if the applicable rate of tetum 10 percrnt, detemmine the owinlent unilotm over the 20 rear period, and bl determine the maximum amount that the railrayad vould be economically justified in paring for the installatina