On Jan. 1, Microsoft will introduce 15 percent off the net price of M365 E5 annual commitment subscriptions ... Users must have or buy a separate license for a qualifying M365 plan.
M365 E5 is $57. M365 Business Standard is $12.50 ... higher side given that this price will be 80 percent of what an E3 (license costs) and over 50 percent for E5 per user cost.