Government survey takers determine that typical family expenditures each month in the year designated as the base year are as follows: 25 pizzas at P10 each Rent of apartment, P600 per month Gasoline...

Government survey takers determine that typical family expenditures each month

in the year designated as the base year are as follows:
25 pizzas at P10 each

Rent of apartment, P600 per month

Gasoline and car maintenance, P100

Cell phone service, P50
In the year following the base year, the survey takers determine that pizzas have

risen to P11 each, apartment rent is P700, gasoline and maintenance have risen to

P120, and phone service has dropped in price to P40