Calculate the total convexity/timing adjustment in Example 34.3 of Section 34.4 if all cap volatilities are $18 \%$ instead of $20 \%$ and volatilities for all options on 5 -year swaps are $13 \%$ instead of $15 \%$. What should the 5 -year swap rate in 3 years' time be assumed for the purpose of valuing the swap? What is the value of the swap?