Suppose that the marginal propensity to consume is d C d y = 0.04 + ln ( y + 1 ) y + 1 and that consumption is $6.04 trillion when disposable income is $0. Find the national consumption function.

Suppose that the marginal propensity to consume is

d C d y = 0.04 + ln ( y + 1 ) y + 1

and that consumption is $6.04 trillion when disposable income is $0. Find the national consumption function.