In Sahara, consumers buy 70 units of bottled water, 18 units of food, and 14 units of housing.
In Arctica, consumers buy no bottled water (they chew free icicles), 87 units of housing, and 17 units of food.

a. The prices in these two countries are the same.
b. In the reference base year, water is $2 a unit, food is $3 a unit, and housing is $11 a unit.
c. In the current year, water is $5 a unit, food is $4a unit, and housing is $19 a unit.