Are generally produced and delivered as one of a kind or in small quantities, and are designed to meet specific customers' specifications.
a. fixed goods
b. make-to-order goods
c. make-to-stock goods
d. standard goods

b. Make-to-order goods

Explanation:

The right option is b. Make-to-order goods are products manufactured in small quantities with further designs made to suit the customers taste and fashion. A good example is a car model produced as one of a kind or in small quantities by a manufacturer. However,the interior gets configured in accordance with the customers choice or specification.

Fixed goods as the name implies are fixed and usually requires no modification. Make-to-stock goods are those produced as part of inventory for sale in accordance with the forecast. Standard goods are those that similar in characteristics irrespective of the place or time of production.

Hence the right option is Make-to-order goods.