For the shown problem below with the given cross$-$sectional area $($on the right$)$

$(1)$ Plot V&M diagram using graphic method

$(2)$ Calculate flexural stress ${}_m$ at $1^{\text{'}}$ from $A$

$(3)$ Calculate flexural stress ${}_n$ at $6^{\text{'}}$ from A

$(4)$ Calculate flexural stress ${}_n$ at $8^{\text{'}}$ from A

$(5)$ Calculate flexural stress ${}_m$ at $13\text{'}$ from A

$(6)$ Plot stress distribution at $2\mathrm{.}8\text{'}$ from A

Note: identify tension or compression for the calculated flexural stresses