If the supplies account, before adjustment on May 31, indicated a balance of $2,250, and supplies on hand at May 31 totaled $950, the adjusting entry would be:

a. debit Supplies, $950; credit Supplies Expense, $950.

b. debit Supplies, $1,300; credit Supplies Expense, $1,300.

c. debit Supplies Expense, $950; credit Supplies, $950.

d. debit Supplies Expense, $1,300;

credit Supplies, $1,300.