A new novel is selling for $21.95. If it is on sale at 20% off, find the amount of discount and the sale price.
A. Discount: $0.44; Sale Price: $21.51
B. Discount: $4.39; Sale Price: $17.56
C. Discount: $4.39; Sale Price: $26.34
D. Discount: $20.00; Sale Price: $1.95