SCAA American Fine Coffee Association standard cup measuring coffee grind, medium light dark roast coffee brew

From the comparison table, determine the predetermined coffee brewing amount and set the upper and lower limits of coffee powder amount, how to reach the optimal extraction rate from 0~30% to 18~22%, and the coffee brewing concentration is just 1.2%~1.45%, just like how to throw a good shot. After brewing a cup of Gold Cup coffee, whether the above basic powder amount and brewing amount can achieve the optimal extraction rate of 18%~22% and the concentration at the same time