Suppose the Only Two Goods That Brett Consumes Are Wine

Multiple Choice

Suppose the only two goods that Brett consumes are wine and cheese.When wine sells for $10 a bottle and cheese sell for $10 a pound,he buys 6 bottles of wine and 4 pounds of cheese - spending his entire income of $100.One day the price of wine falls to $5 a bottle and the price of cheese increases to $20 a pound,while his income does not change.If you place wine on the vertical axis and cheese on the horizontal axis,then

A) the slope of Brett's budget has not changed.
B) the slope of Brett's budget constraint is flatter at the new prices.
C) the slope of Brett's budget constraint is steeper at the new prices.
D) Brett's budget constraint has shifted in parallel to the budget constraint with the old prices.