Amber purchased Hampton Industries Inc. stock for $18.35 and sold it 6 months later for $21.45 after receiving a $0.50 dividend. What was her holding period return (HPR), Annual Percentage Rate (APR) and Effective Annual Rate (EAR)?

a) 19.62% ; 39.24% ; 43.09%

b) 20.34% ; 40.68% ; 9.7%

c) 14.17% ; 28.34% ; 30.35%

d) 20.34% ; 40.68% ; 44.82%