Estes Park National Bank holds assets and liabilities whose average durations and dollar amounts are as shown in this table:

Asset and Liability Items	Avg. Duration (years)	Dollar Amount (millions)
Investment Grade Bonds	15.00	$65.00
Commercial Loans	3.00	$400.00
Consumer Loans	7.00	$250.00
Deposits	1.25	$600.00
Nondeposit Borrowings	0.50	$50.00

a.) What is the weighted average duration of Estes Parks asset portfolio and liability portfolio?

b.) What is the leverage-adjusted duration gap?

c.) Suppose market interest rates increase from 3.25 percent to 4.25 percent, by how much would Estes Parks net worth change?

d.) Alternatively, if interest rates decline from 3.25 percent to 2.50 percent, by how much would Estes Parks net worth change?