Answer:
Muhammadu Buhari
Explanation:
On 29 May 2015, Muhammadu Buhari was sworn in as President of the Federal Republic of Nigeria and the 15th head of state after winning the general election.
Glad I could help!!
I think his major roles are to speak & notify the outside world on what's going on around the world & the United States.
I don’t think it’s the first one but not really sure
C) net asset value x number of shares