clear
//

//

a=2.245
b=3.375
AB=b-a

ap=1.955
bp=3.055

dAB=bp-ap

tl=(AB+dAB)/2
printf("\n true level of difference is %0.3f meters',tl)
rla=125.55
rlb=rla-tl


printf("\n RL of B = %0.3f meters',rlb)