The following statements relate to the petty cash imprest system. Indicate which statements are false or incorrect Select one or more: a. At all times, the value of the cash and authorised petty cash vouchers must equal the original amount advanced. b. Petty cash vouchers must be completed, with relevant vouchers or dockets attached and authorised before the expense can be reimbursed. O c. Shortages in the petty cash tin do not need to be disclosed. The petty cash cashier need only reimburse the petty cash tin for difference between the float and the cash in the tin. d. You need only a receipt to reimburse an employee for a business expense incurred