Good Evening, I read chapter 5 / Managerial Economics(mcGraw Hill) and I am having difficulty understanding some concepts.

The Question below I need a step by step, detailed explanation on how you obtain the answer.

many thanks in advance -

Based on the following graph, at point C,

(My apologies I could not paste the graph)

The consumer's income is $600.

A. MRSis greater than 1.25.

B. MRSis less than 0.4.

C. MRSis greater than 2.

D. MRSis less than 2.5.