The diagram below represents a photograph in a frame. The photo has a perimeter of 23 inches, and the area of the whole figure is 58.5 square inches. If the frame is 1 inch thick, what is the area of the photo in square inches?
CCCCCCCCCCCCCCCCCCCCCCCOOOOOOOOOOOMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMEeeeeeeeeeeeeeeeeeeeeeeeeee oooooooooooooooooooooooonnnnnnnnnnnnnn cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccpppppppppppppppphiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiilllllllllllllllllllllllllllllllllllllllllllllll