Jessica purchased one share of Walmart stock for $45. A year later, she received a dividend of $3 and purchased an additional share for $55. At the end of the second year, Jessica sold her Walmart share for $65. If she didnt earn any dividend in the second year, what is her timed-weighted and dollar-weighted return over the two years?

(a) 24.71 and 20.45

(b) 21.45 and 30.45

(c) 24.71 and 21.74

(d) 24.54 and 12.45