Which one of the following is the best example of two mutually exclusive projects?
(a) Using an empty warehouse to store both raw materials and finished goods.
(b) Building a furniture store beside a clothing outlet in the same shopping mall.
(c) Producing both plastic forks and spoons on the same assembly line.
(d) Promoting two products during the same television commercial.
(e) Waiting until a machine finishes molding Product A before being able to mold Product B.