Suppose a consumer has just enough money to afford the bundle of 6 apples and 4 oranges, and similarly she also has just enough money to afford the bundle of 4 apples and 8 oranges. What is the consumer's budget constraint?
a) P₁A + P₂B = M
b) P₁B + P₂A = M
c) P₁A + P₁B = M
d) P₂A + P₂B = M
