The following is a linear trend fitted to a series expressed in thousands of dollars. T}, = 325.8 + 0.552, where t is expressed in years. a. If we assume that the series is a flow variable, what is the value of the trend in October 1983 in thousands of dollars? Round your answer to the nearest second decimal. T: = Li bi Using the above trend equation, what is the trend value for the third quarter of 1930 in thousand ofdollars? Round your answer to the nearest second decimal. Tr = .Bl'l cl Using the above trend equation, what is the annual variation of the trend in dollars? Tr