20-Mr. Ahmed is a finance manager of Oman Cement Company, as a finance manager which of the following function he has to perform for dealing with various functional departments such as marketing,...

20- Mr. Ahmed is a finance manager of Oman Cement Company, as a finance manager which of the following function he has to perform for dealing with various functional departments such as marketing, production, personnel, system, research, development, etc.? a. Interdepartmental Interrelationship b. All of these c. Investment decision d. Financing decision