The attached article titled "China's Foreign-Exchange Reserves Drop Below $3 Trillion, Near Six-Year Low" states the international reserves held by China's central bank decreased by $12.3 billion in January.According to one of the charts, reserves decreased at an average monthly rate of $33 billion over the past 2.5 years' so the outflow slowed.If the bank can earn an annual return of 1.50% on its reserves and reserves continue to decrease at a monthly rate of $12.3 billion, how many months and years will it be until the reserves are down to $1 trillion?

If outflows continue at $12.3 billon per month, what interest rate or return must the central bank earn on its reserves to stabilize the balance at $3 trillion?Show the basic work and round to one basis point.

If the reserve outflow increases to $33 billion per month, how many months will it be until the reserves are down to $1 trillion?Assume the bank can earn an annual return of 1.50% on its reserves.