Question $12$

Company YYY manufactures bird cages. Every bird cage produced requires $$4$ of bamboo, $$0\mathrm{.}25$ of glue,

$$0\mathrm{.}10$ of staples, and $$0\mathrm{.}15$ of paint. It takes a YYY production employee $15$ minutes to manufacture one

bird cage. Each $YYY$ production employee makes $$16$ per hour. $YYY\text{'}$s monthly rent is $$1,000.$ Its monthly

utility expense is $$100$ and its semi$-$annual insurance expense is $$300.$ What is $YYY\text{'}$s variable cost per bird

cage?

$$4\mathrm{.}50$

$$38\mathrm{.}34$

$$8\mathrm{.}50$

$$51\mathrm{.}34$