Isabel invested in four-stock portfolio; she invested 20 percent of her money in Stock A, 30 percent of her money in Stock B, 25 percent of her money in Stock C, and 25 percent of her money in Stock D. The betas for Stock A, B, C, and D are 0.4, 1.2, 2.5, and 1.75, respectively, and their expected returns are 12 percent, 24 percent, 30 percent, and 28 percent, respectively. What is the beta of Isabel's portfolio

In a fixed-term, level-payment reverse mortgage, sometimes called a reverse annuity mortgage, or ram, a lender agrees to pay the homeowner a monthly payment, or annuity, and expects to be repaid from the homeowner’s equity when he or she sells the home or obtains other financing to pay off the ram. consider a household that owns a $150,000 home free and clear of mortgage debt. the ram lender agrees to a $100,000 ram for 10 years at 6 percent. assume payments are made annually, at the beginning of each year to the homeowner. calculate the annual payment on the ram.