Could you please answer all of these question please. Thank you so much, thumb up for sure . :)

A bid is the price in one currency at which a dealer will buy another currency. An ask is the price at which a dealer will sell the other currency. Dealers bid (buy) at one price and ask (seil) at a slightly higher price, making their proft from the spread between the prices. List and explain three reasons/factors that could make the spread small ( 5 marks)