Costs Widget $1$ Widget $2$ Widget $3$ Widget $4$

Machine $1$ $$11\mathrm{.}00$ $$9\mathrm{.}00$ $$6\mathrm{.}00$ $$10\mathrm{.}00$

Machine $2$ $$9\mathrm{.}00$ $$8\mathrm{.}00$ $$6\mathrm{.}00$ $$6\mathrm{.}00$

Machine $3$ $$5\mathrm{.}00$ $$6\mathrm{.}00$ $$8\mathrm{.}00$ $$12\mathrm{.}00$

Machine $4$ $$7\mathrm{.}00$ $$11\mathrm{.}00$ $$9\mathrm{.}00$ $$8\mathrm{.}00$