Question on returning Value from a chart

[USChad]

I am having trouble coming up with a formula or way to return a value from a chart. I have messed around with SUM PRODUCT but can not figure out a way to use it effectively. I have attached an example of the chart I am trying to use. What I would like to return is the value in the spreadsheet that falls between the set of criteria. What I would have on a separate spreadsheet would be an increase and an average. I would like to return the cell amount that fits the criteria. For example in the chart if the average is 55 and the increase is 10% i would like it to return $1200. So if it falls between the two values i would like it to use the lower amount. Any help would be appreciated.

Thanks in advance.

AVERAGE
Increase 50 60 70
0.00% $- $200 $400
1.50% $200 $400 $600
3.00% $400 $600 $800
4.50% $600 $800 $1,000
6.00% $800 $1,000 $1,200
7.50% $1,000 $1,200 $1,400
9.00% $1,200 $1,400 $1,600
10.50% $1,400 $1,600 $1,800