What is the maximum number of wireless LAN controllers (WLCs) and access points (APs) permitted when

What is the maximum number of wireless LAN controllers (WLCs) and access points (APs)
permitted when using the base RingMaster license?

A.
1 WLC and 1 AP

B.
1 WLC and 5 APs

C.
1 WLC and 10 APs

D.
1 WLC and 20 APs