Concept:Under the imprest system, the petty cashier is reimbursed for the exact amount spent during the period so that the cash in hand returns to the fixed imprest amount.Explanation:The imprest amount is fixed at D28,000.The debit balance of D5,000 is the cash still remaining in the petty cash fund.The amount already spent is: D28,000−D5,000=D23,000.To restore the imprest, this spent amount must be replaced with cash.Therefore, the cash needed to bring the fund back to D28,000 is D23,000.Answer:Option C. D23,000