Problem $17\mathrm{.}56($Statlc$)$ Materlals MIx and Yleld Varlances $($LO $17-5)$

McKInney Solvents produces a wide varlety products for the manufacturing Industry. The standard mix for producing a single batch of

$100$ gallons of its biggest selling product is as follows:

There is a standard $20$ percent loss in liquid volume during processing due to evaporation. The finished liquid is put into $10-$gallon

contalners for sale. Thus, the standard materlal cost for a $10-$gallon contalner is gallons