A biliary stricture is any blockage in the biliary tree, whether due to an obstruction within the ducts, damage of the bile duct walls, or deformities. A blocked bile duct will affect the outflow of bile from the liver and cause it to back up in the biliary tree (cholestasis).
Some companies prefer to use capital leases as the accelerated depreciation allows them to expense the assets (for tax purposes) more quickly up front instead of evenly over the life of the lease. There are also interest expense components of the lease payments they will be able to separately expense.
Washington state imposes an excise tax (commonly known as sales tax) on purchases and an equivalent use tax on leases. Under state law, the sales/use tax on the stated value of a trade-in is deducted from the tax that would be assessed on the total price or monthly lease payment of the new vehicle.