Study the following information carefully and answer the given questions : In a certain code language :
"demand and supply market" is written as "pa ni de re"
"market needs more demand" is written as "de ja ni fe"
"supply demand is related" is written as "le de re ab"
"more related to economics" is written as "ka ha ab ja"
What is the code for 'economics'?
Which of the following represents 'supply related market'?
What is the code for 'more'?
Which of the following may represent "market needs more customers"?
What is the code for 'needs'?