A saver wants $100,000 after 10 years and believes that it is possible to earn an annual rate of 8 percent on invested funds. a) What amount must be invested each year to accumulate $100,000 if (1) the pay- ments are made at the beginning of each year or (2) they are made at the end of cach year b How much must be invested annually if the expected yield is only 5 percent