Seventy homes that were for sale in Tampa, Florida in Spring of 2019 were randomly selected. A regression model to predict house price was run based on first floor square footage and the indicator variable for Beach (1 if the house was within 1 mile of the beach, 0 if not). There was also an interaction term for firstfloorsquarefootage*Beach. Term Estimate Std. Error Intercept -93.4 214.5 Beach 782.5 31.45 firstfloorsquarefootage 0.412 0.120 firstfloorsquarefootage*Beach 0.004 0.012 How would you interpret the slope coefficient for firstfloorsquarefootage*Beach