In the short run, a tool manufacturer has a fixed amount

In the short run, a tool manufacturer has a fixed amount of capital. Labor is a variable input. The cost and output structure that the firm faces is depicted in the following table.  Labor supplied Total Physical Hourly Wage Total Wage Marginal  Factor Product Rate $ Cost Cost ---------------------- ----------------------------- ------------------ ------------- ------------------ 10 100 5 ? _____ 11 109 7 ? ? 12 116 9 ? ? 13 121 11 ? ?  14 124 13 ? ? 15 125 15 ? ? A). Derive at each level of labor supplied, the firm's total wage costs. (Enter numeric responses in the table above real number).  B). Derive, at each level of labor supplied, the firm's marginal factor cost.