Post Utme Lautech 2022 Economics Question 19

A country's money supply is given by the equation: M = \( C + I + G \) - \( T + X \), where M is the money supply, C is the value of consumption, I is the value of investment, G is the value of government sp\ending, T is the value of taxes, and X is the value of exports. If the country's money supply is ₦500 billion, the value of consumption is ₦300 billion, the value of investment is ₦200 billion, the value of government sp\ending is ₦150 billion, the value of taxes is ₦100 billion, and the value of exports is ₦50 billion, what is the value of M?