Question

what is the shape of income line​

Answer 1

Answer:

The income–consumption curve is the set of tangency points of indifference curves with the various budget constraint lines, with prices held constant, as income increases shifting the budget constraint out.

Answer 2

Answer:

the income-consumption curve is a curve in a graph in which the quantities of two goods are plotted on the two axes; the curve is the locus of points showing the consumption bundles chosen at each of various levels of income.