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.
Hiring a drywall contractor to install and finish out the room will increase the cost substantially, but it will also save you a lot of labor, and youâll get smooth, professional walls. Contractorâs fees vary, but expect to pay $40 to $70 per sheet for installation and taping, or $440 to $770 for your 12-by-12 room. Additional fees may apply if the contractor has to drive a distance to reach your home.