Which of the following would properly be accounted for in an investment trust fund?

An investment trust fund is designed to manage investments on behalf of a group of investors, primarily focusing on maximizing returns through various types of investment strategies. In the context of the options provided, it's important to understand what qualifies as an appropriate investment for such a fund.

Investment trust funds typically include financial instruments that can be easily managed and monitored, such as stocks, bonds, and mutual funds. They are not typically used for specific types of entities or operational activities that don’t fall under standard investment practices.

Public-entity risk pools, venture capital limited partnerships, and idle funds of joint ventures generally do not fit within the scope of a traditional investment trust fund. They often serve specific operational needs, risk sharing among entities, or strategic partnerships, rather than pure investment purposes. For instance, public-entity risk pools involve the assessment of risks and insurance needs rather than capital accumulation, while venture capital partnerships focus on funding startups and other high-risk projects, which is not aligned with the primary mission of an investment trust fund. Idle funds of joint ventures may be temporarily invested but do not constitute the overall investment strategy of a dedicated fund.

Thus, none of the options given fit the criteria for inclusion in an investment trust fund, which supports the conclusion that all of them