6. Water damage from a major flood in a Midwestern city resulted in damages estimated at $108 million. As a result of the claimant payouts, insurance companies raised homeowners' insurance rates by an average of $9,440,000 per year in the affected city. If a 20-year study period is considered, what was the rate of return on the $108 million paid by the insurance companies? Use Excel (CH 7) 6. Water damage from a major flood in a Midwestern city resulted in damages estimated at $108 million. As a result of the claimant payouts, insurance companies raised homeowners' insurance rates by an average of $9,440,000 per year in the affected city. If a 20-year study period is considered, what was the rate of return on the $108 million paid by the insurance companies? Use Excel (CH 7)