Changes in Price on a Budget Line Budget line a shows the consumption choices available with a budget of $50 and prices of pizza and wall climbing at $10 and $20, respectively. When the price of wall climbing decreases to $10, the budget line pivots outward to budget line b. The combinations of pizza and wall climbing that can be purchased increases. When the price of wall climbing increases to $25, the budget line pivots inward to budget line c, reducing the amounts that can be purchased.