15pts Use 2 phase locking (2PL) to enforce a serializable schedule of two interleaved transactions shown below (use read, write, lock, unlock): TI-READ(A,t); t := t+10; WRITE(A,t): READ(B,t); t := t+2; WRITE(Bt); T2-READ(B,t): t := t*2; WRITE(B,t); Hint: one command (read, write, lock, unlock) per row will use all the rows. **Ignore INPUT and OUTPUT commands here. Transaction Action Mem A Mem B Ti lock(A) Continue schedule here