A company sells three types of products; A, B and C at three different outlets in Ipoh, KL, and Kuching. The price of each product is given as X, Y and Z respectively. During a sales promotion in the month of January 2019, the company recorded the following sales data: The number of products sold at its Ipoh outlet was 80 units A, 150 units B and 380 units C. The number of products sold at its outlet in KL was 100 units A, 120 units B and 560 units C. The number of products sold at its outlet in Kuching was 80 units A, 200 units B and 280 units C. If the revenue collected in Ipoh, KL and Kuching in the month of January 2019 was RM100,000, RM120,000 and RM100,000 respectively find the price of each unit of A, B and C by using matrix and Cramer's Rule.