please help using the weighted average method, just need answers thanks!

Scotland Beauty Products manufactures face cream, body lotion, and liquid soap in a joint manufacturing process. At the split-off point, the company has 300 pounds of face cream, 200 pounds of body lotion, and 300 pounds of liquid soap and has incurred $200,000 in joint costs. Using the weighted average method, allocate the joint costs to: a. Face Cream with a welight factor of 1 b. Body Lotion with a weight factor of 3 c. Liquid Soap with a weight factor of 1