Which two license types have single SKUs that would support this requirement for UC customers?

Universal Containers (UC) is building a digital experience for its customers that supports custom case management and commerce solutions. These custom solutions each require more than 10 unmanaged custom objects that would be utilized by customers.

Which two license types have single SKUs that would support this requirement for UC customers? Choose 2 answers
A . Channel Account
B. Customer Community Plus
C. Commerce Portal
D. External Apps

Answer: C,D