please explain all steps! need to understand this homework, all 3 questions go together. thank you!

What's the relative bid ask spread for this stock (as a decimal, to 4 decimal places)? QUESTION 6 You accidentally hit a button on your computer and your brokerage buys 1000 shares of this stock with a market order. You decide to sell the shares with a market order as well Ignoring commissions, how much money do you lose due to your carelessness? (answer in dollars, but without the $5 sign - 50 if you lose $35.40, enter 35.40 ) You place a market order to buy 1000 shares of the Question 5 stock. A few seconds later, your cousin places a market order to sell 1000 shares of the $350 stock. No one place places any other order (market or limit). Wha tis the relative bid ask spread? (remember rel. bid ask spread is (best ask - best bid) average of best ask and best bid Answer as a decimal, to 4 decimal places