There are two transactions TA and TB. Which following statement is CORRECT after TIme 4 ? \begin{tabular}{clrrr} Time Operations & TA & TB & Dell Computer & Apple Computer \\ 1 Begin Transaction TA & Begin & & 20 & 15 \\ 2 Begin Transaction TB & & Begin & 20 & 15 \\ 3 TA Shared Lock Dell Computer & SL (Dell Computer) & 20 & 15 \\ 4 TA Exclusive Lock Apple Computer XL(Apple Computer) & 20 & 15 \end{tabular} TB can put a share lock on Dell Computer record and a shared lock on Apple Computer record. TB can put a share lock on Dell Computer record and an exclusive lock on Apple Computer record. TB can put an exclusive lock on Dell Computer record and a shared lock on Apple Computer record. TB can put an exclusive lock on Dell Computer record and an exclusive lock on Apple Computer record. None of above is correct