Under a contract with Valley View Villas, a residential development, Weng begins grading a terraced hillside. Halfway through the project, Weng asks for $5,000 over the contract price, claiming an increase in the "cost of doing business." Valley View agrees. This agreement to pay more isa. unenforceable because Weng’s request modified the contract. b.enforceable. c.unenforceable because Weng’s performance was a preexisting duty. d.unenforceable because Valley View’s promise was illusory.

Draw a flowchart for a process of interest to you, such as a quick oil-change service, a factory process you might have worked in, ordering a pizza, renting a car or truck, buying products on the internet, or applying for an automobile loan. identify the points where something (people, information) waits for service or is held in work-in-process inventory, the estimated time to accomplish each activity in the process, and the total flow time. evaluate how well the process worked and what might be done to improve it.