I want to know the answer to question 6 and 21.

a. 6. Holding all other forces constant, if increasing the price of a good leads to an increase in total revenue, then the demand for the good must be unit elastic. b. inelastic. elastic. d. None of the above is correct because a price increase always leads to an increase in total revenue. c. Figure 2 30 Supply 320 100 Day a 20. Refer to Figure 2. Over which range is the supply curve in this figure the most elastic? $16 to 540 b. $40 to $100 $100 to $220 $220 to 5430 C d. 21. Refer to Figure 2. Over which range is the supply curve in this figure the least elastic? $16 to S40 $40 to $100 $100 to $220 d. S220 to 5430 b