If an adjustable-rate 20-year mortgage for $128,500 starts at 5.0 percent and increases to 5.5 percent, what is the increase in the monthly payment amount? Use Exhibit 7-7. (Do not round intermediate calculations. Round your answer to 2 decimal places.)

Monthly payment increase

$

Exhibit 7-7 Mortgage Payment Factors (principal and interest factors per $1,000 of loan amount) 30 Years $4.22 4.49 4.77 5.07 5.37 5.68 6.00 6.32 6.65 6.99 7.34 25 Years $4.74 5.01 5.28 5.56 5.85 6.14 6.44 6.67 7.06 7.39 7.72 20 Years $5.55 5.80 6.06 6.33 6.60 6.88 7.16 7.45 7.75 8.06 8.36 15 Years $6.91 7.15 7.40 7.65 7.91 8.17 8.43 8.71 8.98 9.27 9.56 Term Rate 3.0% 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0