The real rate of interest is currently 3%, the inflation expectation and risk premiums for a number of securities follow.

Inflation expectations
Security	Premiums	Risk Premium
A	6%	3%
B	9	2
C	8	2
D	5	4
E	11	1

A. Find the risk-free rate of interest, RF that is applicable to each secuirty.

B. Although not noted, what factor must be the case of the differing risk-free rates foind in part a?

C. Find the nominal rate of interest for each security.