homework

if android boys wants to build high speed trains 

between every city in every country on a continent 

then every citizen needs to earn more money 

so that the governments gets more tax income  

so that governments can afford to build high speed trains 

if the taxes are the same 

but a citizen earns more money 

then the government gets more tax income 

if citizens earns more money 

then they are able to afford to pay for more train tickets 

if train company earns more money from high speed tralns 

then the train company can afford to pay more 

for building high speed trains 

so that government is able to pay less 

for building high speed trains 

if autonomous construction machines are used 

and humanoid robots are used 

then construction companies are able to build more for less money 

with same amount or less amount of personel 

and since the companies will do more for less money 

then those companies will be able to get more construction contracts 

and then those companies will earn more money 

and then companies will be able to hire more personel if meed be