Answer :
The least expensive route is to use "Direct distribution Channel"
Explanation:
There are two modes where a manufacturer or farmer can reach the product to the customer.
1. Direct channel: This enables the customer to directly buy from the manufacturers.
Example: Online purchase. In this the customer has direct access to the product and orders online. The manufacture has to find a source to deliver the goods to the customer.
Manufacturer should have warehouses, shipping centers, etc to deliver the product.
2. Indirect channel: Relies mainly on intermediaries to perform product distribution to the customers. This includes dealer, sub-dealer and many other to reach the product to the customer.