$1.$ Fill in the objective function:

Maximize: Z$=\_\_\_\_\_$X$1+\_\_\_\_\_\_$X$2+\_\_\_\_\_\_$X$3($Enter your response rounded to two decimal$$ places.$)$

$2.$What is the demand constraint for yogurt? $($Enter your response as an integer.$)$

X$1=<mi\; id="EditorElement\_479733">[</mi>$A$]$

$3.$ What is the demand constraint for kefir? $($Enter your response as an integer.$)$

X$3=<mi\; id="EditorElement\_479823">[</mi>$A$]$

$4.$ What is the constraint for Machine $1$s availability? $($Enter your responses as integers.$)$

$\_\_\_\_\_\_\_$x$1+\_\_\_\_\_\_$x$2+\_\_\_\_\_$x