Yes, that Big Mac meal may cost $18 — but there’s one good reason for it

If you’re hoping to gauge Americans’ lingering discontent with postpandemic price increases, look no further than the McDonald’s menu. 

You can find gripes on social media about a $5 chicken sandwich, $3 hashbrowns or a $5.50 Egg McMuffin, all of which some customers have called too pricey for a place known for cheap fast food. 

The price…