a. The value of equilibrium income is $ b. If exports were to increase by 50 , the new value of equillorium incone would be $ c Given your answer in part (b), the new value for XN is $ d. Given the equilibrium income in part (a), If full employment income is $1,150, what change in gowemment spending is nectesary to move the economy to this level? Govemment spending needs to by $