Gemini Training School ("GT5") teaches customers how to drive Maruti cars. The car that it uses for all training is the Maruti Swift. The number of customers that GTS trains per week is given by the production function 1] = 4 - IllinUc, I)? where k is the number of Swifts hired per week, 3 is the number of instructors hired per week, and 7 is a positive parameter indicating the returns to scale in this production function. . Suppose I]