need help with this question

Shaan and Anita currently insure their cars with separate companies, paying $910 and $705 a year. If they insure both cars with the same company, they would save 10 percent on ther annual premiums. What would be the future value of the annual savings over 8 years based on an annual interest rate of 7 percent? Use Exhibit 1-8. (Do not round intermediate calculations. Round time value factor to 3 decimal places and final answer to 2 decimal places.)