Paul purchased a used electric drill from Pop's Hardware and promised to pay "fair market value." Later Paul discovered the reverse mechanism on the drill did not work properly and when Paul received the bill from Pop a bona fide dispute arose between them concerning the value of the drill. Paul sent Pop a check for $65 made acceptable, "as payment in full for the drill." a. If Pop cashes the check there will be an accord and satisfaction. b. The facts illustrate an unliquidated debt. c. This is a liquidated debt, therefore, Paul will be discharged from the $85 debt if Pop cashes the check. d. Both a and b