For the next question, please read the following scenario carefully: (a) Schwinn sells its bicycles to its retailers through its wholesalers, (b) Schwinn's trade-margin on its bicycles is 25% (of Schwinn's S.P.), (c) the wholesaler's trade-margin (based on the wholesaler's C.P.) is 50\%, (d) the retailer's trade-margin is 100% (based on the retailer's C.P.), and. (e) the wholesaler's S.P. for the average Schwinn bicycle is $180. (f) What is the retailer's S.P. for this average bicycle? \begin{tabular}{l} $96 \\ $120 \\ $360 \\ \hline$90 \\ $180 \end{tabular}