Slt sf rdut nd smult th sul nd dmnd funtns fr t t:

() th sul funtn ws lnr;

(b) th dmnd funtn ws qudrt;

() th qulbrum r ws rmtl qul t th r f ths rdut n th mrkt

Wthn th sfd mdl, fnd:

(d) th qulbrum r * ;

() lstt f dmnd;

(f) lstt f sul;

(g) ndtns fr th r vlu s tht dmnd s lst;

(h) ll vlus fr whh dmnd s lst, f n (hr u n

us mutr thnlg).

Intrrt th rsults btnd n d, , f, g, h n th ntt f th sltd rdut.