An investor purchased a portfolio of shares for Taka 356,000. The value of the portfolio rose by 56% after the first year, fell by 8% after the second year and continued to increase by 9% from the...

An investor purchased a portfolio of shares for Taka 356,000. The value of the portfolio rose by 56% after the first year, fell by 8% after the second year and continued to increase by 9% from the third year onward.

a) What was the average annual rate of change in the value of the portfolio over the first 3 years?

b) What will be the value of the portfolio after 5 years?