E$23\mathrm{.}6($LO $3),$ E Jobs, Inc. has recently started the manufacture of Tri$-$Robo, a three$-$wheeled robot that can scan a home for fires and gas leaks and then transmit this information to a smartphone. The cost structure to manufacture $20,000$ Tri$-$Robos is as follows.

$\backslash$table$[[,$Cost$],[$Direct materials $($ $$50$ per robot$),$$$1,000,000$