Calculate how much money needs to be deposited now to a) receive in 2 years EUR 720 if the interest rate in the first year is 4.5% with capitalization quarter of periods, but thereafter the effective discount rate is 6% per annum; (b) after 11 years would receive EUR 12000 if the interest rate is 3.0% per annum in year 1 and each the rate for the next odd years increases by 0.5%.