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Input instructions: values should be inputted using a Standard English Keyboard. Enter only the value, without the % sign, spaces, commas, or any other symbols. Part A: Questions to Answer with your Calculator The following is a linear trend fitted to a series expressed in thousands of dollars. Te = 309.53 + 0.66t, 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 July 1983 in thousands of dollars? Round your answer to the nearest second decimal. Ti = b. Using the above trend equation, what is the trend value for the first quarter of 1965 in thousand of dollars? Round your answer to the nearest second decimal. It = c. Using the above trend equation, what is the annual variation of the trend in dollars? T. =