the financial manager of jac cosmetics is considering opening a lockbox in pittsburgh. checks cleared through the lockbox will amount to $27,000 per day. the lockbox will make cash available to the company four days earlier than is currently the case. suppose that the bank offers to run the lockbox for a $40,800 compensating balance, answer the following: a-1. calculate the additional available cash generated by the lock-box system. a-2. is the lockbox worthwhile? multiple choice yes no b. suppose that the bank offers to run the lockbox for a fee of $0.27 per check cleared instead of a compensating balance. assume an interest rate of 7% per year. what must the average check size be for the fee alternative to be less costly? use a 365-day year. (round your answer to the nearest whole number.)