Architectural drawings usually include a table called a window schedule that lists the manufacturer, unit size, and the rough opening (R.O.). If an R.O. for a given window was listed as 2'-10" x 3'-4" , the actual height of the framed opening is _____________. a) 2 feet 10 inches
b) 3 feet
c) 3 feet 4 inches
d) 3 feet 10 inches