Mark and Ollinger are partners who share profits and losses equally and have capital balances of $281,600 and $245,000, respectively. Parks is admitted into the partnership by investing $245,000 for a 3-year period. If Parks is to share equally in the profits, what should be the amount of additional capital that Parks should invest?
a) $123,800
b) $122,800
c) $122,500
d) $121,800