The police department of a given city received an appropriation in the amount of $9,000,000 for the fiscal year ended june 30, 2017. during the month ended july 31, 2017, the following transactions occurred: (a) purchase orders were issued in the amount of $800,000; (b) purchase orders, related to (a) above, were filled in the amount of $790,000; the related invoice amount was $795,000; invoices were paid in the amount of $750,000; (c) salaries were accrued and paid in the amount of $775,000. the balance available for the police department as of july 31, 2017 is:

1. which one of the following would be an example of a supply-side market failure? a. a gas station is slowly leaking diesel fuel from its underground tanks, and after the leak is discovered, the business immediately cleans up the pollution at its own expense. b. a gas station is slowly leaking diesel fuel from its underground tanks, but the state uses taxpayer money to clean up the pollution rather than requiring the business to pay. c. your business wants to attract repeat customers by putting on a customer-appreciation picnic at a public park, but you decide not to because you couldn't prevent noncustomers from consuming the food and entertainment you provided. d. everyone rushes to the local retail outlet at midnight on the day of the release of a new video game console, and the store runs out before everyone is able to buy one.