Round your answers to two digits. Consider the following function: v(s, t) = 2851.86+1.43 (a) Find the marginal rate of substitution and express it as Ruts = a. () + c(1-!)" + k Then . the coefficient a must be equal to: . the coefficient b must be equal to: . the coefficient c must be equal to: . the coefficient d must be equal to: . the coefficient k must be equal to: O O