अरविन्द ने एक धनराशि 1 जनवरी, 2012 को बेंक में \( 8 \% \) वार्षिक साधारण ब्याज की दर से निवेश की, उसे 3,144 की धनराशि 7 अगस्त, 2012 को बैंक से प्राप्त हुई। उसने कितनी धनराशि बेंक में निवेश की थी?

How much interest is earned on a CD with a 2 year fixed maturity, if the initial investment is \( \$ 660 \) and the annual interest rate is \( 3.4 \% \) ? Interest = \( \$[?] \)

An investor purchased 40 shares of stock in a company for \( \$ 1,200 \), with an \( \$ 8 \) commission. Later, all of the stock was sold at \( \$ 37 \) per share. What was the gain or loss on this investment? Gain or Loss = \( \$[?] \)

What is the total payment required to pay off a promissory note issued for \( \$ 800.00 \) at \( 8 \% \) ordinary interest and a 180 -day term? \( \$[?] \)

\( \$ 2,100 \) is invested in an account with a \( 3.8 \% \) interest rate that is compounded quarterly. How much money is in the account at the end of one year? \[ \$[?] \] Round to the nearest cent.

What is the dividend yield on Stock \( A \) that sells at \( \$ 30 / \) share, when Company \( A \) pays a quarterly dividend of \( \$ 0.10 \) per share? Dividend Yield = [?]\%