Thank you for the opportunity to help you with your question!
The value of the voucher that should be offered is 1200 and that will encourage 5 million students to enroll and since its 200 per year the total will be 8000 for 4 years and if you keep it at 1200 for marginal benefit you will earn the money back in 6.6 years.
Please let me know if you need any clarification. I'm always happy to answer your questions.
Dec 19th, 2015
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