in terms of macroeconomics and CPI, what would illustrate why price indexes such as UPI might overstate inflation in the cost of going to college? choose all that would apply.

$-$ a new, cheaper internet option rolled out services nationwide.

$-$ energy drinks becamse increasingly popular on college campuses between $2020$ and $2022$ due to significant improvements in flavor, but this quality change is hard to measure.

$-$ as the price of premium streaming services rose, fewer students decided to buy them, opting instead to borrow log$-$in information from friends and relatives.

$-$ professors required each student to buy $10$ textbooks, regardless of the price.