At the beginning of december, global corporation had $2,000 in supplies on hand. during the month supplies purchased amounted to $3,000, but by the end of the month the supplies balance was only $800. what is the appropriate month-end adjusting entry?

a. debit cash $4,200, credit supplies $4,200.
b. debit supplies $4,200, credit supplies expense $4,200.
c. debit supplies expense $4,200, credit supplies $4,200.
d. debit cash $800, credit supplies $800.