5. Your client is an turf manufacturer based in South Korea market. The client wants to understand the total customer expenditure made by all the end users for turf in South Korea. Based upon your desk research, you are able to get the data on production value, import value and export value (mentioned below). Basis this, what approach you will choose to compute the overall customer expenditure? Parameters Value in USD Million Production Value for Turf 20.7 Import Value for Turf 30.5 Export Value for Turf 15.6 Gross Margin Charged by Traders on Imports 30% Gross Margin Charged by Retailers on Domestic Production 15% Inventory Value for Turf 2.0