A car rides a slope of (1/8) for a distance of 100m. Calculate the perpendicular height and the angle of elevation formed. 
a) Perpendicular height: 12.5m, Angle of elevation: 7.12° 
b) Perpendicular height: 12.5m, Angle of elevation: 45° 
c) Perpendicular height: 8m, Angle of elevation: 45° 
d) Perpendicular height: 8m, Angle of elevation: 7.12°