IMAGE Manufacturing is an electronics manufacturer and retailer. Its main products are Ultrabook computers, PCs and calculators. The current price of the Ultrabook is $ 600, the PC is $700 and the calculator is $30. This year the firm sold 10,000 Ultrabook's, 20,000 PCs and 1 million calculators. Calculate the PED supposing that INCREASE IN THE PRICE TO 700,800,40 and the change un quantity demand by 10%