Olivia is single, 66 years old, and not blind. She paid all the cost of keeping up her home. She earned $55,000 in wages for 2019. Olivia provided all the support for her two grandchildren who lived with her all year. Cora is 11 years old and Jack is 15 years old. She does not have enough deductions to itemize. Olivia, Cora, and Jack are all U. S. citizens with valid Social Security numbers. 1. What is the amount of Olivia's standard deduction? A. $18,350 B. $20,000 C. $24,400 D. $25,700

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.