Regular make-up lessons 15 days, 8 classes a day, but one day off every 5 days, which adds up to 17 days.

One-on-one tutoring for Spark Education costs 6,000 yuan for 3 units (about half a year), 6 units 12 yuan (about one year), 24,000 yuan for12 units (about two years), 48,000 yuan for 24 units and 72,000 yuan for 36 units. The average price of each class is around 150 yuan, and each class lasts for 25 minutes, so the fees are relatively high.