A firm produces three products. The information below applies to next month’s budgeted output. Product X: contribution per unit $7$, contribution per kilo $3$, kilos of material needed $400$. Product Y: contribution per unit $6$, contribution per kilo $4$, kilos of material needed $600$. Product Z: contribution per unit $8$, contribution per kilo $6$, kilos of material needed $1000$. The firm has been told that only $1800$ kilos of material will be available for production next month. What is the greatest contribution the company can achieve?
- A$9000
- B$9600
- C$13000
- D$13200