What happens to the value of nominal interest rate in the economy when the Federal Reserve buys government securities? W

[answerhappygod]

What happens to the value of nominal interest rate in theeconomy when the Federal Reserve buys government securities? Whathappens in the AD-AS model when the Federal Reserve buys governmentsecurities?
Suppose an economy is producing real GDP of $600 billion.Potential GDP is equal to $450 billion, and the MPC is equal to0.8.
i) [2 points] What kind of a gap (or problem) is this countryexperiencing?
ii) [4 points] What policy action do you suggest the governmentto take to eliminate the gap? State both the specific type ofpolicy action and its size. Show your work for partial credit.