Consider the following portfolio of assets and liabilities. The time, $t,$ is measured in years.

Assets: A payment of $480\mathrm{.}77t=2$ and a payment of $520$ at $t=4.$

Liabilities: A payment of $1,000$ at $t=3.$

The interest rate is $4\%$ p$.$a$.$

Calculate the present value of the

Assets: $$

Liabilities: $$

Enter an answer correct to $2$ decimal places

Calculate the effective duration of the

Assets:

Liabilities:

Enter an answer correct to $2$ decimal places

Calculate the convexity of the

Assets:

Liabilities:

Enter an answer correct to $2$ decimal places

Does the portfolio of assets and liabilities satisfy the conditions for Redington's immunisation?

Yes

No