Now suppose instead that Jane withdraws $550 from her checking account and uses $330 of this money to pay her federal income tax. After that, she uses $140 to buy a set of used golf clubs from her neighbor who deposits it into his checking account. Finally, she deposits the remaining cash from the $550 withdrawal into her savings account. By what dollar amount does the country's money supply change as a result of Jane's actions?

a. Change in M1:$____b. Change in M2:$____