Delta Merchants and Inma Bank, N.A., has a portfolio of loans and securities expected to generate cash inflows for the bank as follows:

Expected Cash receipts Period in which receipts are expected

$ 1,427,886 current year

831,454 two years from today

123,897 Three years from now

62,482 four years from now

9,871 five years from now

Deposits and money market borrowings are expected to require the following cash outflows:

Expected cash payments Period in which payments will be made

$1,427,886 current year

831,454 2 years

123,897 3 years from now

1,005 4 years from now

-------------- 5 years from now

If the discount rate applicable to the above cash flows is 8%, what is the duration of the banks portfolio of earning assets and of its deposits and money market borrowings that will happen to the banks total returns, assuming all other factors are held constant if interest rates rise? If interest rates increase?