expected to be used for each unit of finished product are as follows:

Material A $0\mathrm{.}5lb.$ per unit @ $$0,70$ per pound

Material B $1\mathrm{.}0lb.$ per unit @ $$1\mathrm{.}70$ per pound

Material C $1\mathrm{.}2$ lbs$.$ per unit @ $$1\mathrm{.}00$ per pound

The dollar amount of Material A used in production during the year is

a$.$ $$217,700$

b$.$ $$311,000$

c$.$ $$528,700$

$$ d$.$ $$224,600$