Gibson company reported the following remuneration and other payments made to the entity's chief executive officer during the current year:

Annual salary.................................................................2,000,000

Share options and other share-based payments..........................................................................1,000,000

Contributions to retirement benefit plan...........500,000

Reimbursement of travel expenses for business trips......................................................................................1,200,000

What total amount should be disclosed as compensation to key management personnel?

a. 3,500,000

b. 4,700,000

c. 3,000,000

d. 2,500,000

i dont know whats the solution and how to answer it