Suppose a consumer buys pizza (P) and soft drinks (S). The price of pizza is $10, the price of soft drinks is $2 and the consumer's income is $100. If pizza is measured on the vertical axis and soft drinks are measured on the horizontal axis, then the consumer's budget constraint is given by:
A. P = 10 - (1/5)S
B. S = 10 - (1/5)P
C. P = 100 - 5S
D. P = 10 - 5S
A. P = 10 - (1/5)S
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