At the beginning of 2019, Donna Company had $1,000 of supplies on hand and this amount was properly recorded as a debit in a Supplies (asset) account. During 2019, the company purchased supplies amounting to $6,200 (paid for in cash and debited to the supplies account). At December 31, 2019, a count of supplies revealed that $1,600 of supplies were on hand. The adjusting entry that Donna Company made on December 31, 2019 to adjust the Supplies account would include