Suppose Kyle runs his business with a mix of inputs such that the marginal rate of substitution cf labor tcr capital {M HTSIK} is greater than the ratio of the wage to the rental rate twirl. How might Kyle adjust his input mix to lower his cost of production? 0 a. increase the use of both inputs 0 b. decrease labor; increase capital 0 c. increase labor; decrease capital 0 d. decrease the use of both inputs