19. On June 1, Unidevo, Inc. purchased $1,700 worth of supplies on account. Prior to the purchase, the balance in the supplies account was $0. On December 31, the fiscal year-end for Unidevo, it is determined that $800 of supplies still remain. What is the balance in the supplies account after adjustment?

a. $800

b. $0

c. $900

d. $1,700