This exercise only contains part b$.$ b$)$ Juarez has yet a sixth plan. A constant workforce of $7$ is selected, with the remainder of demand filled by subcontracting. Evaluate this plan. The production rate per day $=$ units. $($Enter your response as a whole number.$)$ Fill in the table below. $($Enter your responses as whole numbers.$)$b$)$ Juarez has yet a sixth plan. A constant workforce of $7$ is selected, with the remainder of demand filled by subcontracting. Evaluate this plan. The production rate per day $=$ units. $($Enter your response as a whole number.$)$ Fill in the table below. $($Enter your responses as whole numbers.$)$ The total regular production cost $=$$$.($Enter your response as a whole number.$)$ The total subcontracting cost $=$$$.($Enter your response as a whole number.$)$ Total cost with plan $6=$$$.($Enter your response as a whole number.$)$