$10\mathrm{.}81-$ Torque

Points:$10$

A horizontal beam of length $3\mathrm{.}00$ m and mass $1\mathrm{.}90$ kg has a mass of $0\mathrm{.}800$ kg and width $0\mathrm{.}190$ m sitting at the end of the beam $($see the following figure$).$ What is the torque of the system about the support at the wall?