Find the Safe Ladder Position for a Ladder with Length $\approx$

Find the safe ladder position for a ladder with length of 16 feet. Use a safe-ladder ratio, height to base, of 4 to 1. Give your answers first in feet rounded to the nearest hundredth, and then in feet and inches rounded to the nearest inch.

A) Base $\approx$ 4.88 ft $\approx$ 4 ft 11 inches
Height $\approx$ 15.52 ft $\approx$ 15 ft 6 inches
B) Base $\approx$ 3.88 ft $\approx$ 3 ft 11 inches
Height $\approx$ 14.52 ft $\approx$ 14 ft 6 inches
C) Base $\approx$ 3.88 ft $\approx$ 3 ft 11 inches
Height $\approx$ 15.52 ft $\approx$ 15 ft 6 inches
D) Base $\approx$ 3.88 ft $\approx$ 3 ft 12 inches
Height $\approx$ 15.52 ft $\approx$ 15 ft 6 inches
E) Base $\approx$ 3.88 ft $\approx$ 3 ft 11 inches
Height $\approx$ 15.52 ft $\approx$ 15 ft 7 inches