Determine the deductibility under Section 162 and 195 of expenses incurred in the following situations.

(a) Tycoon, a doctor, unexpectedly inherited a sizable amount of money from an eccentric millionaire. Tycoon decided to invest a part of her fortune in the development of industrial properties and she incurred expenses in making a preliminary investigation.

(b) The facts are the same as in (a), above, except that Tycoon, rather than having been a doctor, who was a successful developer of residential and shopping center properties.

(c) The facts are the same as in (b), above, except that Tycoon, desiring to diversify her investments, incurs expenses in investing the possibility of purchasing a professional sports team.

(d) The facts are the same as in (c), above, and Tycoon purchases a sports team. However, after two years Tycoons fortunes turn sour and she sells the team at a loss. What happens to the deferred investigation expenses?