Consider a bank with the following balance sheet (M means million): (Image attached as Q3) If the interest rates go up by 1%, using the duration and convexity rule, determine the net worth of the bank...

Consider a bank with the following balance sheet (M means million):

(Image attached as Q3)

If the interest rates go up by 1%, using the duration and convexity rule, determine the net worth of the bank and the equity to asset ratio. ALSO In above scenario, to maintain the equity to asset ratio at 40% which is required by the regulation, the bank decides to raise cash (zero duration and zero convexity) from the equity holders. How much cash does the bank need to raise?

Attempted to create formula for first part - is it correct?