>>18186436 23% tax on a $100 purchase equals $17 and change in your pocket, compared to current income tax (pb)

Negative. That' not how math works.

MOST people pay 0$ in income tax so this would add a tax to them.

Secondly, a married family filing jointly in 2022 who made 50,000 would have paid $5,589.00 in federal income tax (11%).

Medicare would be $725 (1.45%)

SS would be $3,100 (6.2%)

18.72% total taxes taken.