The Fire Department of a given city received an appropriation in the amount of $12,000,000 for the fiscal year ended June 30, 2020. During the month ended July 31, 2020, the following transactions occurred: (a) purchase orders were issued in the amount of $1,200,000; (b) purchase orders, related to (a) above, were filled in the amount of $1,000,000; the related invoice amount was $985,000; invoices were paid in the amount of $900,000; (c) salaries were accrued and paid in the amount of $675,000. The balance available for the fire department as of July 31, 2020 is:

a) 10,225,000

b) 11,440,000

c) 10,140,000

d) 10,540,000

Please explain how to get the answer.