Economics questions please help me with this

Suppose the government builds and staffs a hospital in order to provide \"free\" medical care. a} What is the opportunity cost of the free medical care for a patient? b} Is it free from the perspective of the society as a whole? Suppose that an economy has the PPF shown is the following table. \"I\" 9 Possibility Maximum units of Maximum units of butter per week guns per week A 200 0 B 180 60 C 160 100 D 100 160 E 40 200 F D 220 3} Plot these possibilities, label the points and draw the PPF. b} If the economy moves from possibility C to possibility D, the opportunity cost per unit of gun will be how many units of butter? (2) If the economy moves from possibility D to possibility E, the opportunity cost per unit of gun will be how many units of butter? d} In general terms, what happens to the opportunity cost of guns as the output of guns increases? [13 For each of the following markets, nd the equilibrium price and quantity. a} Q5. =10+5P and QB =IUU P b} 93 =20+2P and QB 2100313 c] Q3 2513 and QB =10003P cl} Q3 =22+2P and QB 2118 P e) Q3 =3U+4P and QB =1702P Q4 The following events occur one at the time: a} The price of crude oil rises. b] The price of a car rises. c} All speed limits on highways are abolished. Explain the effects of each of them on the market of gasoline