Kelly and Tim Jarowski plan to refinance their mortgage to obtain a lower interest rate. They will reduce their mortgage payments by $58 a month. Their closing costs for refinancing will be $1,690. How long will it take them to cover the cost of refinancing

Morningstar tracks the total return for a large number of mutual funds. the following table shows the total return and the number of funds for four categories of mutual funds (morningstar funds 500, 2008). type of fund total return (%) number of funds domestic equity 4.65 9191 international equity 18.15 2621 specialty stock 11.36 1419 hybrid 6.75 2900 a. refer to exhibit 4. using the number of funds as weights, compute the weighted average total return for the mutual funds covered by morningstar. (keep two decimal places, for example, if result is 1.234, round it down to 1.23; if result is 1.235, round it up to 1.24.) the weighted average total return for the morningstar funds is %.