The foster mother I had back in 1992-1994 told me a similar story,forget the exact amount she said.Your foster mother like mine was BULLSHITTING YOU!
I remember the rice and beans multiple times a week,her biological kids would get McDonald's,etc. many times while I got rice and beans,some nasty ass stew,etc.
I also remember her kids getting Jordan's,etc. and me getting payless for example.
I wished I would have gotten a rich person but not for the reasons many would think,it was because I feel there is a more strong possibility that they were in it to make a positive difference and not in to make easy money.
Sadly,in most instances,foster care is a business and is treated as such.
Good luck to you Eddie,hope you are able to find a positive resolution.