The partners of Apple, Bere and Carroll LLP share net income and losses in a 5:3:2 ratio, respectively. The capital account balances on January 1, 2008, were as follows: Apple Capital - 125,000, Bere Captal 75,000, and Carroll Capital - $50,000 The carrying amounts of the assets and liabilities of the partnership are the same as their current fair values. Dorr will be admitted to the partnership with a 20% capital interest and a 20% share of net income and losses in exchange for a cash investment. The amount of cash that Dorr should invest in the partnership is: