Sheet: 
(0, 0)		Price (p)
(0, 1)		Quantity (q)
(1, 0)		FALSE
(1, 1)		FALSE
(2, 0)		FALSE
(2, 1)		FALSE
(3, 0)		FALSE
(3, 1)		FALSE
(4, 0)		FALSE
(4, 1)		FALSE
(5, 0)		FALSE
(5, 1)		FALSE
(6, 0)		FALSE
(6, 1)		FALSE
(7, 0)		FALSE
(7, 1)		FALSE
(8, 0)		FALSE
(8, 1)		FALSE
(9, 0)		FALSE
(9, 1)		FALSE