Janet consumes two commodities x and y. Her utility function is min{x + 2y, y + 2x}. She chooses to buy 10 units of good x and 20 units of good y. The price of good x is $1. Janet's income is
A) $40.
B) $50.
C) $30.
D) $20.
E) There is not enough information in the problem to determine her income because we are not told the price of good y.

Question

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The Answer of Janet consumes two commodities x and y. Her utility function is min{x + 2y, y + 2x}. She chooses to buy 10 units of good x and 20 units of good y. The price of good x is $1. Janet's income is
A) $40.
B) $50.
C) $30.
D) $20.
E) There is not enough information in the problem to determine her income because we are not told the price of good y.

Janet Consumes Two Commodities X and Y