4. Suppose two countries, Heaven and Paradise, are both capable of producing only two commodities: pail and brooms. Their production possibilities are shown below.

Heaven

Paradise

Quantity of Pails	Quantity of rooms	Quantity of Pails	Quantity of rooms
40	0	100	0
30	20	80	60
20	40	60	120
10	60	40	180
0	80	20	240
		0	300

a. What is/are the comparative advantage/s of Heaven and Paradise? (Explain briefly your answers). b. What country will specialize the production of pails? How about the production of brooms? (Explain briefly your answers).