Question $1$

For a long$-$term construction project, the annual concrete demand was estimated to be $15,000m^3.$ The following material should be acquired and stored on site for the production of concrete, the carrying cost of each item is expressed as a percentage from the acquisition cost as follows:

$\backslash$table$[[$Item$,\backslash$table$[[$Requirement$],[$per Parent$]],$Unit,$\backslash$table$[[$Cost per$],[$unit$]],$Delivery,$\backslash$table$[[$Ordering$],[$Cost$]],\backslash$table$[[$Material$],[$Supply Rate$],[($p$)]],\backslash$table$[[$Carrying$],[$Cost$/$Year$]]],[$Rebar$,0\mathrm{.}15,\frac{t}{m}3,-,$Bundles,$3000,70,1\%$