We learned about different stocking configurations in supply chains. Which of the following statements is true?

Select one:

a. Make-to-Stock means the production of standard products and services which can be done as part of the pull-based supply chain.

b. Make-to-Order products are the production of products and services for unique customer orders which occur before the order arrives.

c. Engineer-to-Order is the production of specialized products or services that are fully or partially designed and made based on the unique requirements and specifications of a particular customer order or contract.

d. Assemble-to-Order is the assembling of products and services for unique customer orders from customer-specific components.

e. None of these statements are true.