How much does $19.90 make a year?

Could you please clarify your question? It seems a bit unconventional to ask how much $19.90 makes in a year, as this amount is a fixed dollar value and does not inherently grow or multiply on its own. However, if you're asking about the potential return on an investment of $19.90 over a year, the answer would depend greatly on the investment vehicle chosen. For example, if you invested $19.90 in a high-yield savings account with a 1% annual percentage yield (APY), you would earn approximately $0.20 in interest after a year. On the other hand, if you invested $19.90 in a risky stock or cryptocurrency, the return could be much higher or much lower, depending on market conditions. It's important to note that investing in stocks or cryptocurrencies carries a high degree of risk and should be approached with caution.