Of the following transactions, which should be recorded as income?

Of the following transactions, which should be recorded as income?

Harry's Hats sold inventory on credit for $$3000.$

Chandler & Co Plumbing's owner contributes $$10000$ of personal funds to the business.

M$.$ Witham borrowed $$80000$ from the bank.

T$.$ O'Toole pays $$5500$ for goods sold to her on credit last month.