Concept:The percentage change in maize supply is calculated from the price and quantity values given in the supply schedule.Explanation:The supply schedule table is not included in the question provided here.To compute a percentage change, we need the original and new quantities or prices from the table.Since those figures are missing, no numerical calculation can be done.Thus, none of the given percentages can be verified.Answer:Cannot be determined from the information provided; no option can be selected.