Which of the following will decrease the money supply?

$$ The Federal Reserve buys T$-$bills in open market operations

You buy $$500$ worth of clothes at a store

Airbnb issues shares in an IPO

U$.$S$.$ Bank buys Treasuries from a dealer $($investment bank$)$

Wal$-$Mart sells financial securities to a dealer $($investment bank$)$

A bank makes a loan of $$6,000$ to Your Pie to expand their outdoor seating.

You work for a local restaurant and they pay you $$120$ for working a weekend shift.

You borrow $$80$ from a friend.

$$ Bank of America borrows $$50$ million from JP Morgan Chase in the federal funds market

$$ A fire destroys your apartment, including $$75$ cash