Kindly solve with explanation detailed to get the idea

2 On the accompanying graph: draw the consumption function: C Consumption 0 At what level of income does savings equal zero? = $350 + O_9Yd 450 c Disposable Income a) b) c) Saving would equal to Zero when income is consumed (C=3 If this economy's disposable income were $4,000, what would be its consumption and savings? At the income level or $4,000: what would be this economy's average propensity to consume (APC)?