Quick Print Inc. uses plain and three$-$hole$-$punched paper for copying needs. Demand for each paper type is highly variable. Weekly demand for the plain paper is estimated to be normally distributed with mean $125$ and standard deviation $75($measured in boxes$).$ Every two weeks, a replenishment order is placed to the paper factory and the order arrives five weeks later. All copying orders that cannot be satisfied immediately due to lack of paper are backordered. If Quick Print is targeting a cycle service level of $98\%,$ what safety stock should the store carry? What should its order$-$up$-$to$-$level be$?($