E3.22 LO 3.5 Variable and fixed costs; graphical and tabular analyses: manufacturer Ross Sports Pty Ltd manufactures cricket balls. Its fixed costs per month are $75000, and its raw materials costs are $30 per finished ball. Required 1. Draw a graph of the firm's raw material costs, showing the total cost at the following production levels: 10000 units, 20000 units and 30000 units. 2. Prepare a table that shows the unit cost and total cost of raw material at the following production levels: 10000 units, 20000 units and 30000 units. 3. Draw a graph of the company's fixed production costs, showing the total cost at the following production levels: 10000 units, 20 000 units and 30000 units. 4. Prepare a table that shows the unit cost and the total cost for the firm's fixed production costs at the following production levels: 10000 units, 20 000 units and 30 000 units.