11. Stretching income to cover basic costs is more difficult. 12. The basic cost will be $ 12 . 50 a month for each phone number. 13. Resulting revenues struggled to support the government's basic costs , let alone repair Iraq's damaged infrastructure. 14. In 1999-2000, it cost $ 11.3 million to cover basic costs at San Quentin, including maintenance. 15. Most customers also pay for a service contract, which can add 15 percent to the basic cost . 16. There is a basic cost structure involving only marginal cost ( there is no fixed cost ). 17. There are no long distance charges on the Internet beyond the basic cost of the Internet connection. 18. For 2013, I can only find the basic cost of a burger, not the times to earn. 19. Researchers used government standards on housing, food, child care and medical insurance to calculate the basic costs . 20. Unlike therapy, the basic cost is free.