ABC Burger produced and sold 1,000 Burger last month and had variable materials costs of JD 9,000. If production and sales are expected to increase by 10% next month, which of the following statements is true? Total variable materials costs are expected to be JD 9,000 O Total variable materials costs are expected to be JD 9,900. Variable material cost per unit is expected to be JD 9.9. Total variable materials costs are expected to be JD 10,890