At the end of production process for product X, 5% of production units are scrapped as defective. Budgeted sales of product X are 2.250 units. Opening inventories of X for June are budgeted to be 170 units and closing inventories will be 200 units. Inventories of finished goods must not be defective. Each finished unit of product X contains 3 litres of liquid Z. 10% of the input of liquid Z is lost through evaporation in the production process. If the opening inventories of liquid Z at 1st of June are budgeted to be 980 litres and the closing inventories are budgeted to be 1,150 litres how many litres of liquid Z should be purchased in the month? O A. 7,640 OB. 8,170 O c. 6,560 OD. 8,540