PLZ HELP ME ravis received a letter from his bank saying that his checking account balance fell below zero. His account transaction log is shown below.

A. On which line did Travis make a mathematical error? Explain Travis’s mistake.
Show all your work and explanation in order to receive full points.

B. The bank charged Travis a $20 fee because his balance dropped below $0. He knows that he currently has an outstanding charge for $7.85 that he has not recorded yet. How much money will Travis have to deposit into his account so that the outstanding charge does not create another bank fee? Explain.
Show all your work and explanation in order to receive full points.