The document provides information to estimate supplies costs for 20,000 units of production using the high-low method. It details the total costs and units produced for the first three months, with March being the highest at 27,000 units and $82,000 in costs and January being the lowest at 12,000 units and $40,000 in costs. Using this data, it calculates the variable cost per unit as $2.80. It then estimates that supplies costs for 20,000 units would be $56,000 in variable costs plus $6,400 in fixed costs, for a total estimated cost of $62,400.