Possible Clues:

• Existing expenses
• Charge for delivery into the Valley of Death? Sounds like something the economists came up with!
• Settling existing accounts - sounds like something pricey the economists came up with
• Charge from birth into the valley of death? It's the price on everyone's head!
• Charge from birth into the valley of death? It's the price on everyone's head
• What the RPI and CPI monitor
• Level of everyday prices
• Quip (part 2)
• The death rate? Quite the opposite