Please help with these 3 questions

Suppose a bank has $250,000 in deposits and $27,000 in reserves. The required reserve ratio is 10%. If at the end of the day, there is an unexpected withdrawal of $5,000 in reserves, what is the bank's resulting reserve ratio (expressed as a \%)? Question 9 2 pts Using the information from the prior problem, how much would the bank need to borrow in either the Fed Funds market or at the discount window to be in complicance with the required reserve ratio? Question 10 2 pts This morning you observed in the markets that the nominal interest rate is 6%, which includes inflation expectations of 4%. What is the resulting real interest rate if inflation expectations go up by 75% and nominal interest rates go up by 1.5%