Your Grandfather just loaned you $$50,000$ to help start your business! He's not charging interest, but says he wants the loan repaid in $10$ years. You decide to invest what you need to now at $6\%$ interest to have the $$50,000$ at the end of $10$ years and use the rest to help run the business. How much must you invest now at $6\%$ to have $$50,000$ in $10$ years?