First exercise: Suppose that an industrial company has achieved the following productivity figures within two years Consecutive: Total production (in riyals) 1987 1988 1500 3200 The value of the resources used in this production during the two years was as follows: [Total Resources (in Riyals.)] 1987 1988 1200 3000 Calculate the productivity of the company for the year (1987 AD) and (1988 AD) and compare them? The second exercise: If the total productivity of a factory during the years 1994 and 1995 is (8), (10) riyals of outputs / for each riyal of inputs, respectively, calculate the productivity growth rate During the year 1995 AD?