Cordova manufactures three types of stained glass windows, cleverly named Products A$,$ B$,$ and C$.$ Information about these products

follows:

Cordova currently is limited to $60,000$ labor hours per month.

Required:

$1-$a$.$ Assuming an infinite demand for each of Cordova's products, determine contribution margin per direct labor hour for each

product.

$1-$b$.$ Which product would be Cordova's first choice to produce?