Government survey takers determine that typical family expenditures each month in the year designated as the base year are as follows:• 25 pizzas, $10 each • Apartment rent, $600 per month • Gasoline and car maintenance, $100 per month • Phone service (basic service plus 10 long-distance calls), $50 per month In the year following the base year, the survey takers determine that pizzas have risen to $11 each, apartment rent is $610, gasoline and maintenance costs are $115, and phone service has dropped in price to $40.a. Find the CPI in the subsequent year and the rate of inflation between the base year and the subsequent year.
CPI: .
Rate of inflation: %.
b. The family’s nominal income rose by 5 percent between the base year and the subsequent year. Are they worse off or better off in terms of what their income is able to buy?

CPI = NEW PRICE / OLD PRICE = 776 / 760 = 1.02

INFLATION = CPI / OLD PRICE x 100 = 1.02 / 760 x 100 = 0.13%

Explanation:

Government survey takers determine that typical family expenditures each month in the year designated as the base year are as follows:

• 25 pizzas, $10 each •

Apartment rent, $600 per month

• Gasoline and car maintenance, $100 per month

• Phone service (basic service plus 10 long-distance calls), $50 per month In the year following the base year,

the survey takers determine that pizzas have risen to $11 each, apartment rent is $610, gasoline and maintenance costs are $115, and phone service has dropped in price to $40.a. Find the CPI in the subsequent year and the rate of inflation between the base year and the subsequent year.

ITEM             OLD PRICE        NEW PRICE

pizzas,                 $10                   $11

Apartment rent, $600                $610

Gasoline             $100                 $115

Phone service     $50                  $40

TOTAL.                760                   776

CPI = NEW PRICE / OLD PRICE = 776 / 760 = 1.02

INFLATION = CPI / OLD PRICE x 100 = 1.02 / 760 x 100 = 0.13%

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