Consider the following system with 4 processes and 2 resources. The allocation and request matrices and available vector are given below. Allocation Matrix Process A B P1 2 0 P2 4 1 P3 1 2 P4 1 3 Request Matrix Process A B P1 5 1 P2 4 3 P3 1 7 P4 1 2 Available A B 6 2 What will be the available for A and B after the execution of process Pl