pardee is charged. part c, of medicare, the private health insurance plan that contracts to provide part a in the services. it is paid from part a in the trust fund accounts. the most important thing to notice and to know about medicare from a financial standpoint is how the different parts of medicare have very different financial basis. in particular for hospital insurance, most of the revenue comes from payroll taxes. the payroll tax rates are set into law and they cannot change except the new legislation. so over time it is not terribly hard for the revenues of the program which are fixed into law to someone tripped apart from the cost of the program which will be what it will be. that is why you are constantly hearing about changes in the financial status. on the other hand, for parts b and t the financing is reset every year to match the following year's expected expenditures. so the financing is poorly for general revenues and also premiums make a project of it. we adjust these each year. those p