Answer:
b. infrequent global marketing
Explanation:
According to my research on different marketing strategies, I can say that based on the information provided within the question Sun Yip's firm is in the infrequent global marketing stage. This stage is characterized by a surplus in a product caused by variations in production levels or demand which may result in infrequent marketing overseas. Which is what is going on in this situation with the fluorescent light bulbs.
I hope this answered your question. If you have any more questions feel free to ask away at Brainly.