Which of the following is a reason why the marginal revenue for a monopoly is not equal to its current price?

Because the monopoly already serves the entire market, it cannot find a new consumer within this market who is willing to pay at the current ongoing price.

The monopoly is unwilling to lower its price to sell more units.

The monopoly is unable to lower its price, because it is a price taker.

The monopoly is unable to change its quantity, because it is under the control of a government license.