Suppose you buy Economics by David King. What is the opportunity cost of your purchase? O a) The money you paid for the book. Ob) Whatever you would have spent the money on if you had not bought the book. Oc) The cost of producing the book. O d) The time you spend studying the book.

Don’t do question 9, just look at the info and chart on question 9 and apply it to question 10 in the next image.

I need help with 4 and 5

6. Elasticity and total revenue The following graph shows the daily demand curve for bikes in Houston. Use the green rectangle (triangle symbols) to compute total revenue at various prices along the demand curve. Note: You will not be graded on any changes made to this graph. PRICE (Dollars per bike) 300 275 ) 250 225 175 150 125 100 75 50 25 0 0 + 6 12 18 24 30 36 42 48 QUANTITY (B) Demand 54 60 66 72 Total Revenue