$1-17$ Value chain and classification of costs, computer company. Dell Computer incurs the following costs:

a$.$ Utility costs for the plant assembling the Latitude computer line of products

b$.$ Distribution costs for shipping the Latitude line of products to a retail chain

c$.$ Payment to David Newbury Designs for design of the XPS $2-$in$-1$ laptop

d$.$ Salary of computer scientist working on the next generation of servers

e$.$ Cost of Dell employees' visit to a major customer to demonstrate Dell's products

f$.$ Purchase of competitors' products for testing against potential Dell products

g$.$ Payment to business magazine for running Dell advertisements

h$.$ Cost of cartridges purchased from outside supplier to be used with Dell printers