Ernie’s Checking Account: Ernie has a checking account. On Sunday he had $24 in his account. On Monday he wrote a check for $18 and on Tuesday he deposited $36 into his account. On Thursday, he wrote a check for $12, on Friday he wrote a check for $30, and on Saturday he deposited $85 into his account. In the end, he owed the bank $10 on his account. He cannot remember what happened on Wednesday. Figure out what happened to Ernie’s bank account on Wednesday. Show your calculations using positive and negative numbers. Solving using an algebraic equation will bring extra points!