XYZ Company prepares annual financial statements. Their year end is June 30, 2019. At June 30, 2019 the balance in the Cleaning Supplies account was $1,800. A count of the cleaning supplies on June 30, 2019 revealed that $800 had been used. What is the adjustment amount to be posted to adjust the cleaning supplies account at year end and to recognize the cleaning expense? Select one: O a. $1,800 b. $0 O c. $1,000 d. $800 e