Moody Corporation uses a job$-$order costing system with a plantwide predetermined overhead rate based on machine$-$hours. At the beginning of the year, the company made the following estimates:Machine$-$hours required to support estimated production$151,000$Fixed manufacturing overhead cost$ $658,000$Variable manufacturing overhead cost per machine$-$hour$ $4\mathrm{.}60$Required:Compute the plantwide predetermined overhead rate.During the year, Job $400$ was started and completed. The following information pertains to this job:Direct materials$ $390$Direct labor cost$ $280$Machine$-$hours used$38$Compute the total manufacturing cost assigned to Job $400.$If Job $400$ includes $50$ units, what is its unit product cost?If Moody uses a markup percentage of $130\%$ of its total manufacturing cost, then what selling price per unit would it establish for Job $400?$