4, R&D: Consider applied agricultural education in 1860 when a majority of American worked in agriculture. a. Explain why there is a positive externality related to agricultural education. Is this a consumption or production externality? Show the externality on a graph. b. The United States passed the Morill Act in 1862 to use US land sales to subsidize individual private agricultural education. Assume the US government choose the amount of the subsidy to correct the market failure of the positive externality. Show the amount of subsidy on a graph. c. Label change in producer surplus, consumer surplus, and external benefit. What is governmental subsidy expenditure