Shoe-leather costs are the costs of. a. having to change prices as inflation increases. b. the raw material used in production. c. the increased number of transactions as inflation increases. d. living adjustments as inflation increases.

The correct answer is letter "D": living adjustments as inflation increases.

Explanation:

Shoe-leather costs is one of the costs of inflation alongside the loss of purchasing power and the redistribution of wealth. Shoe-leather costs refers to all the efforts individuals make to mitigate the effects of inflation. This is typically achieved by saving more money or requesting more bank loans.

these are the four factors that influence enterpreneurship development

1. economic development

2. culture

3.technological development

4. education