Rendering in pastel colors

This is the idea, A modern look with two sofas modern and comfortable , a pledge box between the two sofas, planters (modern round or square one at each end of the sofas. Coffee tables.
Dance floor
A biscotti bar - which is a glass case showing pastries etc.. At the other end a Capuccino Bar showing the Cappuccino Bar - Dance floor - modern floor design -
Can you price this after we send the sketch idea... or is it strictly per hour.
Thanks margie levy - we are doing research for a client that wants a rendering in pastel colors
we need an email to scan the sketch..
Size of room is 20 ft. x 20 ft.
Thanks Margie.