10. What is the basic rationale for hedging?

a.to reduce a firm's sensitivity to changes in prices, exchange rates, or interest rates

b.to increase a firm's profit

c.toreducea firm's exposure to a risk

d.derivatives can be used to hedge

e.A and B

f.A and C

g.A and D

h.B and C

i.B and D

j.C and D

k.all but A

l.all but B

m.all but C

n.all but D

o.all are true