$9$A $+10$B $<=90$ Constraint $1$

$14$A $+8$B $<=140$ Constraint $2$

$1$A $-1$B $>=0$ Constraint $3$

$1$A $+1$B $>=2$ Constraint $4$

A$,$ B $>=0$

On the Answer Report for problem $5$ above, answer the following questions:

What is the optimal solution?

What is the value of the objective function at the optimal solution?

Which constraints are binding? How can you tell?

Which constraints are not binding? How can you tell?

List all the non$-$zero values in the slack column. Are these values slack or surplus? How can you tell?