What are the journal entries for these transactions?

Your client has purchased a new computer system for $3,000,000 from your firm. This purchase includes the hardware, software, a maintenance agreement, and training for employees. Your firm sells some of these items separately. Normally the software sells for $500,000, the maintenance agreement sells for $300,000, and training sells for $200,000. The computer should last for five years. The maintenance agreement lasts for four years, and the training will be done in the first year