At 350oF, you should roast a whole (thawed)chicken for  20 minutes per pound, plus 15 more minutes. If stuffed, cook the  chicken for an additional 15 minutes.    So â¦ for a 4.5 lb stuffed chicken, you should cook it for 2 hours.
Average cost of a new drywall to get installed will vary from $41.5 to $60.0 per 4'x8'x5/8 sheet including labor and materials or from $1.30 to $1.88 per square foot.
Drywall materials (drywall sheets plus screws or nails, joint compound, tape, etc.) average 25 cents - 65 cents a square foot; professional installation is an additional 85 cents -$1.50 per square foot. Installing new drywall on the walls and ceiling of a 12x12-foot-room with 8-foot-high walls means about 530 square feet of drywall.