Which one of the following is not a factor that influences a business's control environment? a. personnel policies b. management's philosophy and operating style c. organizational structure d. proofs and security measures

d. Proofs and security measures.

Explanation:

A business control environment are those policies and procedures that assist management in directing the business operations towards achieving it's goals. The aim is to protect the company's assets from misuse by member of staff and also ensure that the business information is accurate and up to date.

Top management create a business control environment to ensure that the policies and procedures guiding each business units are adhered to by members of staff. A business control environment otherwise known as internal control is influenced by it's personnel policies, Management's philosophy and operating style and also it's organizational structure.

i would say a certificate of deposit, so you're not locked into a long term, and it has more security than a mutual fund.