A farmer projected the value of this year's harvest to be $170,000. However, severe flooding has delayed getting the harvest to market. For each day of delay, it is estimated that the total value, V, of the harvest decreases 9%. a. Write an equation that models the situation using Vas the value of the harvest and t as the number of days of delay. b. Find the estimated value V, of the harvest after a one week delay. Round to the nearest cent.​