Please i need help understanding please i tried so many times.

2 Describe each set of transactions. Set 1 T2 computes sum of accounts T2 if sum > expected, add $10 to all accounts T1 finds largest account T1 pays CEO 1% of largest account T1 commits Set 2 T2 computes sum of accounts T1 finds largest account T1 pays CEO 1% of largest account T1 commits T3 increases account A by $50 T3 commits T2 if sum > expected, add $10 to all accounts T2 commits T3 increases account A by $50 T3 commits T2 commits T1 executes without a conflict T1 executes Pick T2 executes Pick T2 executes Pick T3 executes Pick T3 executes Pick CHALLENGE ACTIVITY 6.1.1: Requirements for efficient memory management. Jump to level 1 Memory contains 6 holes with their sizes shown in the table. 2 A B D E F. Hole Size 3 110 40 100 90 80 60 A sequence of requests for 3 blocks have arrived with sizes 10, 70, and 30. Select the hole allocated to each request by the next-fit allocation strategy. Block with size 10: Select Block with size 70: Select Block with size 30: Select Enter the number of holes that next-fit had to examine in order to allocate the 3 blocks. Ex: 2