QUESTION 18 Q P TC TR MR MC Profit 0 $5 $5 $10 2 $5 $12 3 $5 $15 4 $5 $19 5 $5 $24 6 $5 $30 7 $5 $45 Use the table above, what is the MR when the 3rd unit is produced? O a. $20 O b. $19 O c. $15 O d. $5 QUESTION 19 Use the table above, if the firm has already made 3 units, it should make an additional unit. True FalseQUESTION 20 Q P TC TR MR MC Profit 0 $5 $9 $5 $10 $5 $12 $5 $15 4 $5 $19 5 $5 $24 6 $5 $30 $5 $45 Use the table above, what is the quantity level that this profit-maximizing firm should produce? O a. 3 units O b. 4 units O c. 5 units O d. 6 unitsQUESTION 21 Q P TC TR MR MC Profit 0 $5 $9 $5 $10 $5 $12 $5 $15 4 $5 $19 5 $5 $24 6 $5 $30 $5 $45 Use the table above, if this firm has already made 5 units, it should make an additional unit to get extra $5. O True O FalseQUESTION 22 Q P TC TR MR. MC Profit $5 $9 $5 $10 2 $5 $12 UJ $5 $15 4 $5 $19 $5 $24 6 $5 $30 7 $5 $45 Use the table above, what is the profit (or loss) when Q = 7? O a. -$10 O b. 50 O c. - $5 O d. $1