Answer:
June 30
Step-by-step explanation:
According to the section 444, the partnership should be elect while using the tax year besides the required tax year but it is not applied to any partnership that introduced a purpose of the business for a distinct or different period
Since in the given situation, the bob is 40% partner and the partnership also does not have a natural business year plus there is no section 444 election is made.
Therefore, in this case the June 30 is to be considered