Robert invests $650 in a savings account at the beginning of each of the next seven years. if his opportunity cost rate is 5 percent compounded annually, how much will his investment be worth after the last annuity payment is made? use a financial calculator to determine the amount.

The quinoa seed is in high demand in wealthier countries such as the u.s. and japan. approximately 97% of all quinoa production comes from small farmers in bolivia and peru who farm at high elevations—8,000 feet or higher. the seed is considered highly nutritious. mostly grown and harvested in bolivia and peru, and sold to markets in other countries, the seed is now considered an important for these nations. the governments of bolivia and peru are hopeful that this product will increase the quality of life of their farmers.