PLEASE SOLVE USING EXCEL!

Colombian Mild. The compositions of each coffee blend are as follows.

DeCaf blend is $$1\mathrm{.}05$ per pound. Packaging costs for both products are $$0\mathrm{.}25$ per pound.

produce DeCaf.$)$

Max

s$.$t$.$

Regular $\%$ constraint $,\mathrm{.}25BR-\mathrm{.}75CR=0$

DeCaf $\%$ constraint $,\mathrm{.}60BD-\mathrm{.}40CD=0$

Pounds of Regular

Pounds of DeCaf

$BD+CD=300$

$($b$)$ What is the optimal solution?

$(BR,BD,CR,CD)=()$

$($c$)$ What is the contribution to profit $($in $$)?($Round your answer to two decimal places.$)$