In terms of budget, you can go as low as 150 to 250k, to as high as 1-2M. I think it would be easier for you to set a specific and realistic budget for yourselves that you can stick to rather than canvass the cost of each supplier. :)
Part of our work for our full coordination is helping you set a budget and stay within it. Preferences niyo pa rin kasi in terms of your suppliers. Some people spend more on food, less on venue, gowns, decor. Some have expensive gowns and not so expensive food. Others spend more on photo / video and little on gowns or venue. So it really depends.