Jarett Motors is trying to decide whether it should keep its existing car washing machine or purchase a new one that has technological advantages (which translate into cost savings) over the existing machine. Information on each machine follows: Old machine New machine Original cost $9,000 $20,000 Accumulated depreciation 5,000 0 Annual cash operating costs 9,000 4,000 Current salvage value of old machine 2,000 Salvage value in 10 years 500 1,000 Remaining life 10 yrs 10 yrs Refer to Jarett Motors. The $4,000 of annual operating costs that are common to both the old and the new machine are an example of a(n): a. opportunity cost b. irrelevant cost c. future avoidable cost d. sunk cost

Ancho corp. is an automobile company whose core competency lies in manufacturing petrol- and diesel- based cars. the company realizes that more of its potential customers are switching to electric cars. the r& d department of the company acquires competencies in developing electric cars and launches its first hybrid car, which uses both gas and electricity. in this scenario, ancho is primarilya. leveraging new core competencies to improve current market position. b. redeploying existing core competencies to compete in future markets. c. unlearning existing core competencies to create and compete in markets of the future. d. building new core competencies to protect and extend current market position