caughtSpeeding java challenge

Hi,

I am trying below challenge

http://codingbat.com/prob/p157733

public int caughtSpeeding(int speed, boolean isBirthday) {
int result;

if(speed<=65){
if(speed<=60&& isBirthday==true){
return result=0;
}
else {
return result=0;
}
}
  
else if(speed<=85){
if(speed<=61&& isBirthday==true){
return result=1;
}
else {
return result=1;
}
}

return result=2;
  
}

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Expected      Run            
caughtSpeeding(60, false) → 0      0      OK         
caughtSpeeding(65, false) → 1      0      X         
caughtSpeeding(65, true) → 0      0      OK         
caughtSpeeding(80, false) → 1      1      OK         
caughtSpeeding(85, false) → 2      1      X         
caughtSpeeding(85, true) → 1      1      OK         
caughtSpeeding(70, false) → 1      1      OK         
caughtSpeeding(75, false) → 1      1      OK         
caughtSpeeding(75, true) → 1      1      OK         
caughtSpeeding(40, false) → 0      0      OK         
caughtSpeeding(40, true) → 0      0      OK         
caughtSpeeding(90, false) → 2      2      OK         
other tests
X         

i am failing two test cases as above. Please advise