I have no idea what I'm doing wrong...if you can explain part b step by step, I'd be really grateful...

Joint cost allocation; nonmanufacturing MediaForum has three operating groups: Games, News, and Documentaries. In May, the company incurred $24,000,000 of joint cost for facilities and administration. May revenues and separate costs of each group are as follows: Games News Documentaries Revenue $34,040,000 $30,720,000 $189,320,000 Separate costs 31,040,000 16,320,000 110,720,000 a. What amount of joint cost is allocated to each operating group using the profit before joint cost allocation as the basis for allocation? Note: Compute the profit for each operating area after the allocation. Note: Round proportions to the nearest whole percentage and dollar amounts to the nearest whole dollar. Games $ News Documentary Total 2,280,000 10,800,000 58,920,000 72,000,000 $ b. What amount of joint cost is allocated to each operating group if the allocation is based on revenue? Note: Compute the profit for each operating group after the allocation. Note: Round proportions to the nearest whole percentage and dollar amounts to the nearest whole dollar. Games News $ (215,365) * 11,498,237 x 60,717,128 x $ 72,000,000 Documentary Total