A insulin producing company starts the production with 4 kg of insulin, the next day the amount of insulin was increased to 12 kg. If the amount of insulin on the n + 1^th day : amount of insulin on n^th day ∷ amount of insulin on n^th day : amount of insulin on the n – 1^th day and once the amount of insulin crosses 100 kg, 90 kgs of the insulin is removed. What will be the total production of insulin in 23 days?