How to record admission as a new partner in Partnership. The three present owners have the following positions:

1) Sara wants to use the bonus method.

2) Lukas believes the goodwill method is the best.

3) Rosa wants to revalue the existing tangible assets.

Please explain three different methods of accounting for the admission of a new partner, including considerations of the effects on the partnership capital in the year Newt is admitted and on the capital balances in future years?