You are purchasing a tennis racket from TennisExpress.com. The optional warranty provides unlimited restringing for broken strings for a fee of $125 a year plus a $35 service charge for each repair needed (per racket). Consumer report research indicates that during a given year 70% of tennis rackets do not have strings that break, 11% needed to be restrung once, 5% twice, 14% three times, and none required more than three restringings. You purchase one tennis racket. The expected number of times you will need to restring your racket per year is:
A. 0.33 repairs.
B. 1.25 repairs.
C. 0.63 repairs.
D. 2.5 repairs.