the damand for beef is Function of the price of beef, the price of chicken and income according to the equation

Qb=0.02i- 6Pb+4Pc

Qb- quantity of beef that is requested

Pb- price of kg of beef in shickel

Pc- price of a kg of chicken in shickel

i- consumer income in shickel

a- assume Pc=10 & i=1000 describe the consumer demand curve for beef.

b- return to the information givin in the beginning what is the quantity requested when ehwn the peice of beef is 8 per kg.

c- return to the informations givin in the beginning what is the quantity requested when the price of beef increased to 4 shickels? was this a change in the demand curve?

d- return to the informations givin in the beginning assume that the price of chicken has risen to 15 per kg what is the required amount of beef? was it a change in the demand curve ? is chicken meat a substitute or complementary product to beef ?

e- go back to the informations givin in the beginning: assume that the consumer income increases to 2000 shickel what is the amount of beef that is requested ? was it a change in the demand curve? is beef a normal ot inferior product ? explain and describe graphically