Year -->	1	2	3	4	5
Sales	700	900	1200	1600	2200
OPR	75	105	130	200	280
Royalty	60	36	48	64	88
Discount Factor,10%	0.9091	0.8264	0.7531	0.6830	0.6209
Discounted OPR	68.2	86.8	97.7	136.6	173.9
Discounted R	54.5	29.8	36.1	43.7	54.6