PLEASE HELP

1. Consider an economyr with the initialequilibn'um income level ofSlUi} and the consumption function of C = $15!] + 0.5 {T - T}. Find the following quantities: a. Government expenditures at the equilibrium level of income ifT = $160 and l= 51m}. b. The change in income produced by increasing taxes NEH}, provided that G and I remain unchanged. What is the tax multiplier? c. The change in income produced by increasing government expenditures 1%, provided that T and I remain unchanged. What is the government spending