Georpe Kyparish makes towing balts in bis Mank plart. With rocent increases in his costs. he has a nemfound interest in ettickency, Gerge is interessed in defermining the productiviy of his and an equinient moniti thit year The petcert charpe in groesicinity for one month last year yertus cone month this year on a mulifactor basts with dollars as the corrmon denominator = pertertege rounopd to the decimal placest ard an equivalen morth mili. year The proguctity change tor each ot the kputs (tuber, Pesin, Cicitil and Energy) is