Which of the Following Actions in Managing the Cash Account

Which of the following actions in managing the cash account would, in general, either not be feasible or else not be consistent with the firm's wealth maximisation objective?

A) Increase synchronisation of inflows and outflows.
B) Use drafts for disbursing funds.
C) Use a lockbox plan.
D) Maintain an average balance which is equal to that required as a compensating balance or that which minimises total cash management costs, whichever is lower.
E) None of the above (all would be feasible and consistent actions) .