The increase in the money supply is $5,000.
Definition of ratio -
Money multiplier m=1/1-r
where r is required reserve ratio
When fed purchases $700 of bonds, it gets 700 money supply.
Change in money supply = multipler * 700
=1/(1-0.14)*700
= $5,000
Learn more about ratio
brainly.com/question/1504221
#SPJ4