The correct answer is C. The government
Step-by-step explanation:
A planned economy implies the government controls and regulates multiple aspects of the economy of a country. This is the opposite of a market economy in which supply and demand are the factors that determine production, prices, etc that vary over time. Instead in a planned economy, the government determines most aspects of the economy including the prices of goods and services. This economy is commonly connected to a socialist ideology in which the means of production are owned by society rather than by particular individuals. According to this, in a planned economy, prices of commodities are controlled by the government.