Processor A has a clock speed of 1 GHz and 4 classes of instructions, with CPIs of 1, 2, 3, and 4 respectively. Processor B has a clock speed of 1.5 GHz and the same 4 classes of instructions, with CPIs of 2, 2, 3, and 4. The number of instructions executed in a program is divided equally among the 4 classes of instructions. Processor _____ is ______ times faster than Processor _____. (Hint: choose a number of instructions so you can use the classic performance equation)