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) PâA + PâB = M
b) PâB + PâA = M
c) PâA + PâB = M
d) PâA + PâB = M