________ is the process of putting ideas or thoughts into symbolic form

The nation has its own MPC. When national income increases from $300 billion to $400 billion, national consumption increases from $300 billion to $360 billion. At Y = $400 billion, the MPC is:

a. 0.2. b. 0.5. c. 0.6. d. 0.67. e. 1.33.

Answer the question on the basis of the following data. All figures are in billions of dollars. Gross Investment 18 National Income 100 Net Exports 2 Personal income 85 Personal Consumption Expenditures 70 Saving 5 Government Purchases 20 Net Domestic Product 105 Statistical Discrepancy 0 Refer to the above data. Consumption of fixed capital is:

a) $5. b) $10. c) $20. d)$30.