Carla's Snack Shop has a petty cash fund of $100. On November 30, the fund contained $11 in cash and receipts for postage of $18, supplies of $17, and travel expenses of $24. What is the amount of adjustment Cash Short and over? (If none, enter O) Enter your answer as a whole number with no dollar signs or commas. If a credit, enter a negative sign at the beginning of the number. Your