An investor purchases 1,000 shares of XYZ Corp. @ $20.  A year later, she sells the shares for $26.  During the year, she had collected total dividends of $1.50.  What percentage return did the investor earn?

Barbara buys 130 shares of DEM at $34.00 a share and 190 shares of GOP at $37.00 a share. She buys on margin and the broker charges interest of 6 percent on the loan. If the margin requirement is 43 percent, what is the maximum amount she can borrow? Round your answer to the nearest cent. $   If she buys the stocks using the borrowed money and holds the securities for a year, how much interest must she pay? Round your answer to the nearest cent. $   If after a year she sells DEM for $25.00 a share and GOP for $30.00 a share, how much did she lose on her investment? Use a minus sign to enter the amount as a negative value. Round your answer to the nearest cent. $   What is the percentage loss on the funds she invested if the interest payment is included in the calculation? Use a minus sign to enter the amount as a negative value. Round your answer to two decimal places.

6 years ago Mary purchased shares in a certain mutual fund at Net Asset Value (NAV) of $51. She reinvested her dividends into the fund, and today she has 7.6% more shares than when she started. If the fund's NAV has increased by 47.2% since her purchase, compute the rate of return on her investment if she sells her shares today. Round your answer to the nearest tenth of a percent.

Cardo invested a certain amount at 20% simple interest per year. After 8 years, the interest she received amounted to Php40,000. How much did he invest?