problem is as follows:The computer solution is shown below.

$\backslash$table$[[$Variable$,$Value,Reduced Cost$],[$DRB$,800\mathrm{.}00000,0\mathrm{.}00000],[$DRW$,880\mathrm{.}00000,0\mathrm{.}00000],[$Constraint$,\backslash$table$[[$slack$/$Surplus$],[0\mathrm{.}00000]],$Dual Value$],[1,8\mathrm{.}80000,],[2,0\mathrm{.}00000,0\mathrm{.}60000,],[3,18800\mathrm{.}00000,0\mathrm{.}00000,],[$Variable$,\backslash$table$[[$Objective$],[$Coefficient$]],\backslash$table$[[$Allowable$],[$Increase$]],\backslash$table$[[$Allowable$],[$Decrease$]]],[$DRB$,\backslash$table$[[\backslash$table$[[200\mathrm{.}00000],[280\mathrm{.}00000]]]],\backslash$table$[[$Increase$],[24\mathrm{.}00000]],\backslash$table$[[$Decrease$],[88\mathrm{.}00000]]],[$DRW$,\backslash$table$[[\backslash$table$[[24\mathrm{.}00000],[220\mathrm{.}00000]]]],,00000],[$Constraint$,\backslash$table$[[$RHS$],[$Value$]],\backslash$table$[[$Allowable$],[$Increase$]],\backslash$table$[[$Allowable$],[$Decrease$]]],[1,38000\mathrm{.}00000,\backslash$table$[[$Incre$],[4272\mathrm{.}7$: