Find the present value of the following growing perpetuities at EAR of 10%

a) First payment of $100 in one year, grows by 2% each year. Payments are annual.

b) First payment of $100 in two year, grows by 2% every two years. Payments are made every two years.

c) First payment of $100 in one year, grows by 2% every two years. Payments are made every two years.

d) First payment of $100 today, grows by 2% every two years. Payments are made every two years.