Classify each of the following transactions as operating, investing, or financing. Use the following letters:

a. operational activity

b. investment activity

c. financing activity

d. It is not presented in the Statement of Cash Flows or disclosed in a note

1. Collection of compensation for inventory destroyed by fire
2. Payment of the premium of a life insurance policy, portion corresponding to the expense.
3. Payment of the premium of a life insurance policy, portion corresponding to the cash surrender value of the policy.
4. Purchase of land in exchange for common shares
5. Purchase of bonds to trade
6. Balance of zero-coupon bonds payable, portion corresponding to accrued interest