Problem $2-18($Algo$)$ Plantwide Predetermined Overhead Rates; Pricing $[$LO$2-1,$ LO$2-2,$ LO$2-3]$

Landen Corporation uses job$-$order costing. At the beginning of the year, it made the following estimates:

$\backslash$table$[[$Direct labor$-$hours required to support estimated production,$150,000],[$Machine$-$hours required to support estimated production,$75,000],[$Fixed manufacturing overhead cost,$$420,000$