No experimental post office opened in rural area may be made permanent unless
its total income covers its total cost plus
a) 25 % of the cost b) 10 % of the cost
c) 5% of the cost d) 20 % of the cost
its total income covers its total cost plus
a) 25 % of the cost b) 10 % of the cost
c) 5% of the cost d) 20 % of the cost