This question was previously answered, but not thoroughly. I need to know the disadvantages of both options and multiple disadvantages.

Q12-2. What are the disadvantages of effecting a change in the basis of all of the firm's assets either by their sale, followed by a complete liquidation, or by a stock purchase, along with an election to treat the stock purchase as a purchase of all the firm's assets followed by a liquidation? Q12-2. What are the disadvantages of effecting a change in the basis of all of the firm's assets either by their sale, followed by a complete liquidation, or by a stock purchase, along with an election to treat the stock purchase as a purchase of all the firm's assets followed by a liquidation