Answer:
Shoe leather cost.
Step-by-step explanation:
Inflation can be defined as the persistent rise in the price of goods and services in an economy.
Shoe leather costs refers to the time and efforts put in by individuals to prevent the various effects of inflation which include high interest rate, Increase in taxes, low rate of exports, low savings.
Gilberto tries to prevent the effect of inflation by converting the money he did not spend on purchasing goods into a more stable foreign currency for a steep fee.