Ratio between marked price of a Shirt to that of a Trouser is 4 : 5. Shopkeeper allowed d% discount on the Shirt and (d + 18) % discount on the Trouser, so selling price of both Shirt and Trouser become equal. If shopkeeper made a profit of 20% on Shirt and 25% on Trouser and profit made on Trouser is Rs. 384 more than that of Shirt, then find the cost price of Shirt and Trouser respectively?