Valentina is cutting three different-sized circular mirrors to fit in a piece of art. The radius of the medium-sized mirror will be 40% larger than the radius of the smallest mirror, and the radius of the largest mirror will be 40% larger than the radius of the medium-sized mirror. If the radius of the smallest mirror is 1/2 foot, what will be the area, in square feet, of the largest mirror? A 2.5 B 3.0 C 5.3 D 6.2