The total income for a bowling alley has been decreasing every year between 2004 in 2014 the annual income of the bowling alley can be estimated by the equation y equals 195-5.7 x for x represents the number of years since 2004 and y represents the total income in thousands of dollars which of the following best describes the meaning of the number 5.7 in the equation a) the income in thousands of dollars for the bowling alley in 2004 b) the total decrease in income in thousands of dollars for the bowling alley since 2004 c)the annual increase in income in thousands of dollars for the bowling alley since 2004 d) the annual decrease in income in thousands of dollars for the bowling alley since 2004