Question: Campaign Donations

Generally Republicans at all levels of government received more money in campaign contributions than do any other parties. If the Republicans are so "business-wise" in the eyes of mainstream voters why don't they have the economic savvy to be elected successfully with similar funding levels as the Democrats? I know there are statistics that point out how much each vote cost an individual candidate to "earn", but have these cost per vote stats been broadly assigned? E.g. "In all Congressional races in the last 8 years Republicans have spent $9.20 per vote received while Democrats spent $5.25 per vote and Greens, etc. spent $1.01 per vote." Again this could be a real eye opener if properly advertised to mainstream America. One would get a clearer picture that Republicans need "affirmative action funding" more so than progressives in order to buy their seats.