Answer:
The answer is mixed economy (option B)
Step-by-step explanation:
When a government (public sector) and private individuals (private sector) exercise control over an economy, such economy is said to be a mixed economy.
In this kind of economy, the government sets up basic industries, provides social welfare, energy, free transportation e.t.c. On its part, the private sector develops small scale industries and consumer goods industries. Both sectors are regulated by the government which also encourages their growth.