At the Beginning of the Period, Polly Parrot Corporation Had $\quad$

At the beginning of the period, Polly Parrot Corporation had $800 of supplies on hand. During the period, it purchased $1,800 of supplies and at the end of the period, the company determined that only $1,600 of supplies were still on hand.
What adjusting entry should Polly Parrot Corporation make at the end of the period?

A) Supplies Expense 2,600
$\quad$ $\quad$ $\quad$ $\quad$ Supplies 2,600
B) Supplies Expense 1,000
$\quad$ $\quad$ $\quad$ $\quad$ Supplies 1,000
C) Supplies 2,600
$\quad$ $\quad$ $\quad$ $\quad$ Supplies Expense 2,600
D) Supplies 1,000
$\quad$ $\quad$ $\quad$ $\quad$ Supplies Expense 1,000