1 Cover, place in oven and cook for 2 1/2- 3 hours, or until internal temperature of meat is 170 degrees F. 2  Remove from oven and pan-- let roast cool for a few minutes.3  Slice meat or shred as for pulled pork (I usually do half sliced and half pulled). Cover, place in oven and cook for 2 1/2- 3 hours, or until internal temperature of meat is 170 degrees F. 2  Remove from oven and pan-- let roast cool for a few minutes.
A shift in a demand or supply curve occurs when a good's quantity demanded or supplied changes even though price remains the same. For instance, if the price for a bottle of beer was $2 and the quantity of beer demanded increased from Q1 to Q2, then there would be a shift in the demand for beer.
3. an increase in the price of a substitute good. 4. a decrease in the price of a complementary good. 5. an increase in the number of potential consumers in the market. Opposite changes in the above factors will cause the demand curve to shift down or to the left (i.e. less will be demanded at each price than before).