A Greek trireme. A Trireme is an ancient oar-driven warship powered by about 170 oars men. It was long and slender, had three tiers of oars and one sail. On the bow was a battering ram that was used to destroy enemy ships. The tip of the ram was made of bronze and could easily slice through the side of a wooden ship.
When you buy 1,000 shares of Ford at $14 and your broker charges you a $10 commission, your cost basis is $14,010 for those shares. That transaction is given a unique tax lot ID so you and the IRS can track those shares separately from other Ford stock you might buy later.
The Tracker rate mortgage is available for a fixed period or the life time of the loan. The most common tracker rate period is 2 years, though many mortgage lenders now offer 3 year, 5 year and even 10 year track rate mortgages. If the tracker rate is for a set period of time the mortgage will revert to the lenders standard variable rate at the end of the tracker rate period. Lower interest rate in the first few years then the lenders standard variable. You will benefit from all reductions in the Bank of England's base rate.