The inflation expectation and risk premium for a number of securities is presented on the following table:

Security	Inflation expectation premium	Risk premium
A	6%	3%
B	9	2
C	8	2
D	5	4
E	11	1

The real rate of interest is currently 3%

a) Find de risk-free rate of interest , Rf, that is applicable to each security.

b)Find the nominal rate of interest for each security.

Note: Please show the answers and explain in words how you got to conclusions for better understanding ***