s897.py

from research import *
s=begin(897,'Recover the full terminal carrier branch','How do the144900 branch outputs and gains fit one Key family?',{},['File63 §7.8.2'])
p=json.loads((ROOT/'model/covenant_inputs.json').read_text())['named_inputs']['scalar_interchange']
n=p['input'];ep=E*n;pp=P*n
gains={'P':pp-n,'E':ep-n,'output_gap':ep-pp}
a=artifact('model/terminal_carrier_branch.json',json.dumps(clean({'input':n,'P':pp,'E':ep,'gains':gains,'factors':{'input':[900,161],'P':[1000,147],'E':[900,175]},'status':'supplied terminal carrier branch'}),indent=2)+'\n')
finish(s,{'input':n,'P':pp,'E':ep,'gains':gains,'artifact':a},'144900=900×161 maps to147000=1000×147 under P and157500=900×175 under E. The gains and output gap are2100×(1,6,5). Their lifespan interpretation remains source-supplied.','Test whether the retained147-year terminal biography is the uniform P image of its original interval.',{'literal_outputs':pp==p['P_output'] and ep==p['E_output'],'gain_ratio':[gains['P'],gains['E'],gains['output_gap']]==[2100,12600,10500]})