This is how much living cost in a city in Sichuan province that I use to make price standard in my story. (Data from 2018 year) It's on Yuan not Yen, okay?
* Restaurants
Meal, Inexpensive Restaurant 20.00 ¥
Meal for 2 People, Mid-range Restaurant, Three-course 130.00 ¥
McMeal at McDonalds (or Equivalent Combo Meal) 30.00 ¥
Domestic Beer (0.5 liter draught) 5.00 ¥
Imported Beer (0.33 liter bottle) 15.00 ¥
Cappuccino (regular) 26.00 ¥
Coke/Pepsi (0.33 liter bottle) 3.30 ¥
Water (0.33 liter bottle) 2.00 ¥
* Markets Price
Milk (regular), (1 liter) 14.09 ¥
A loaf of Fresh White Bread (500g) 8.49 ¥
Rice (white), (1kg) 8.50 ¥
Eggs (regular) (12) 11.24 ¥
Local Cheese (1kg) 65.00 ¥
Chicken Breasts (Boneless, Skinless), (1kg) 20.37 ¥
Beef Round (1kg) (or Equivalent Back Leg Red Meat) 48.50 ¥
Apples (1kg) 8.67 ¥
Banana (1kg) 5.40 ¥
Oranges (1kg) 8.00 ¥
Tomato (1kg) 10.67 ¥
Potato (1kg) 4.33 ¥
Onion (1kg) 4.33 ¥
Lettuce (1 head) 2.33 ¥
Water (1.5 liter/bottle) 6.20 ¥
Bottle of Wine (Mid-Range) 65.00 ¥
Domestic Beer (0.5 liter/bottle) 5.00 ¥
Imported Beer (0.33 liter/bottle) 12.25 ¥
Cigarettes 20 Pack (Marlboro) 17.50 ¥
* Transportation
One-way Ticket (Local Transport) 1.50 ¥
Taxi Start (Normal Tariff) 5.00 ¥
Taxi 1km (Normal Tariff) 1.45 ¥
Taxi 1hour Waiting (Normal Tariff) 18.00 ¥
Gasoline (1 liter) 6.43 ¥
Volkswagen Golf 1.4 90 KW Trendline (Or Equivalent New Car) 140,000.00 ¥
Toyota Corolla 1.6l 97kW Comfort (Or Equivalent New Car) 119,450.00 ¥
* Utilities (Monthly)
Basic (Electricity, Heating, Cooling, Water, Garbage) for 85m2 Apartment 198.38 ¥
1 min. of Prepaid Mobile Tariff Local (No Discounts or Plans) 0.10 ¥
Internet (60 Mbps or More, Unlimited Data, Cable/ADSL) 75.00 ¥
* Sports And Leisure
Fitness Club, Monthly Fee for 1 Adult 200.00 ¥
Tennis Court Rent (1 Hour on Weekend) 60.00 ¥
Cinema, International Release, 1 Seat 35.00 ¥
* Childcare
Preschool (or Kindergarten), Full Day, Private, Monthly for 1 Child 1,200.00 ¥
International Primary School, Yearly for 1 Child 50,000.00 ¥
* Clothing And Shoes
1 Pair of Jeans (Levis 501 Or Similar) 300.00 ¥
1 Summer Dress in a Chain Store (Zara, H&M, ...) 287.00 ¥
1 Pair of Nike Running Shoes (Mid-Range) 500.00 ¥
1 Pair of Men Leather Business Shoes 400.00 ¥
* Rent Per Month
Apartment (1 bedroom) in City Centre 1,500.00 ¥
Apartment (1 bedroom) Outside of Centre 600.00 ¥
Apartment (3 bedrooms) in City Centre 3,000.00 ¥
Apartment (3 bedrooms) Outside of Centre 1,200.00 ¥
* Buy Apartment Price
Price per Square Meter to Buy Apartment in City Centre 12,000.00 ¥
Price per Square Meter to Buy Apartment Outside of Centre 5,000.00 ¥
* Salaries And Financing
Average Monthly Net Salary (After Tax) 3,750.00 ¥
Mortgage Interest Rate in Percentages (%), Yearly, for 20 Years Fixed-Rate 5.15