Paybark period Laredo taminates is considering the purchase of new produxtion technology equigment requiring an initial $6, 6000000 investrecist and having an oxpected ten year ide. At the end of its iife, tho equipment woild have no salvoge value, fy inctaling the new oquipment, the firmis annual iabor and quaity costs woukf dectine by secioco. a. Corrpute the payback period for this equiprnent. years b. Assume instead thot the snnual cost savings would vary according to the fattowing schiedules Compute the piyback penod under the rovised circumstances x years