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

Material A $0\mathrm{.}50lb.$ per unit @ $$0\mathrm{.}52$ per pound

Material B $1\mathrm{.}00lb.$ per unit @ $$2\mathrm{.}31$ per pound

Material C $1\mathrm{.}20lb.$ per unit @ $$1\mathrm{.}18$ per pound

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

a$.$ $$822,696$

b$.$ $$1,342,110$

c$.$ $$151,060$

d$.$ $$157,040$