When one individual is responsible for all related activities within the purchasing and selling areas, O a payment might be authorized without a careful review of the invoice. O orders could be placed with friends or with suppliers who give kickbacks. O the potential for errors and irregularities is increased. all of the above are possible. The basic principles of cash management include all of the following except O plan the timing of major expenses. O keep inventory high. O increase the speed of collecting receivables. O prepare a cash budget