Marfan syndrome is caused by a change in the gene that controls how the body makes fibrillin, an essential component of connective tissue that contributes to its strength and elasticity. In most cases, Marfan syndrome is inherited from a parent, but 1 in 4 cases occurs in people with no known family history of the disease.
Washington state sales tax basics The Washington (WA) state sales tax rate is currently 6.5%. Depending on local municipalities, the total tax rate can be as high as 10.4%. Other, local-level tax rates in the state of Washington are quite complex compared against local-level tax rates in other states.
The District of Columbia state sales tax rate is 5.75%, and the average DC sales tax after local surtaxes is 5.75%. Washington, DC recently lowered the district sales tax by a quarter of a percent from 6% to 5.75%. The District of Columbia's sales tax is imposed on all sales of tangible property as well as on certain services. There is an additional sales tax of 9% on liquor and alcohol, 12% on parking fees, 10% on restaurant meals and rental cars, and 14% on hotel fees.