How would I go about solving this problem ?

Hoyabank has $20,000 in Reserves and $300,000 in Deposits. The required reserve ratio is 8%. Which of the following actions will allow Hoyabank to meet its reserve requirement? 0 borrow $4,000 from the federal funds market in the short run, and reduces Loans by $4,000 over time 0 make $4,000 worth of new Loans. 0 purchase $4,000 worth of US Treasury securities. 0 notify depositors that they should withdraw a total of $4,000 from their accounts at Hoyabank