The Problem of Effectively Aggregating and Conveying Information from Bottom

The problem of effectively aggregating and conveying information from bottom layers to top layers in massive government bureaucracies makes it hard for the high-level officials to

A) discern the prices of specific goods and services in the economy.
B) comprehensively assess the marginal costs and benefits of specific programs.
C) monitor the incomes of individual firms and households.
D) estimate the total amount of spending incurred by the government.