Net domestic product (NDP):

This is the actual monetary value of goods and services produced within a country by both the nationals and non-nationals in a given period of time, after removing the amount (value) needed to replace parts of the capital assets worn out during the production process.

How to get NDP

NDP is obtained by deducting from GDP, the depreciation allowance i.e.

NDP = GDP - Depreciation (capital consumption) allowance