Adding to the complication...
If you spend $25K in a year on Ink Bold you get a 7,500 point bonus. That's a total of 37,500 points for $25K spend or 1.5 UR points per dollar spent.
If you spend $50K in a year on Ink Bold you get a 22,500 point bonus for a total of 82,500 points for $50K spend or 1.65 UR points per dollar spent.
If you spend $100K in a year on Ink Bold you get a 47,500 point bonus for a total of 167,500 points for $100K spend or 1.675 UR points per dollar spent.