Fiscal policy is the responsibility of ________

The above figure shows the marginal social benefit and marginal social cost curves of chocolate in the nation of Kaffenia. What is the marginal social cost of producing the 250th pound of chocolate each day?

A) $625.00 per pound B) $2.50 per pound C) $1.00 per pound D) $0.50 per pound

Suppose the CPI was 56 in 1967, and suppose one must spend $349 today to obtain the same basket of goods and services that could be bought for $100 in 1967 . Then today's CPI is

a. 223.7. b. 195.0. c. 623.2. d. 195.4.