Jell and Dell were partners with capital balances of $600 and $800 and an income sharing ratio of 2:3. They admitted Zell to a 30% interest in the partnership, and the total amount of goodwill credited to the original partners was $700. What amount did Zell contribute to the business? please show your work the answers:a) $560 b)570 c)600 d)590 e)630

please elaborate answer without table.thanks