4. Leibtowels, LLC. produces microfiber towels using capital (K) and labor (L) with the production function q = 50L1/3K2/3 where q is the quantity of microfiber towels produced. Suppose the wage rate is w = $9 and the price of capital is r = $54. (a) What is the Marginal Rate of Technical Substitution for L with K? MRTSLK = _K/(21) (1 point) (b) What is the cost minimizing combination of L and K if Leibtowels, LLC. needs to produce 1,200 microfiber towels?newdidthi sis i. L = _ 49.9220 (1 point) ii. K = _16.6407 (1 point)