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6. The following information was determined during the reconciliation of the reciprocal accounts of a home office and its branch. (a) The branch erroneously recorded the credit posting for a P6,800 allocated expense from the home office as P8,600. (b) The branch erroneously recorded the debit posting for a P4,000 allocated expense from the home office as P5,000. (c) The home office omitted the debit posting for a P7,000 cash remittance from the branch. (d) The home office recorded twice the credit posting for a P5,000 credit memo from the branch. (e) The branch erroneously omitted the credit posting for a P3,000 debit memo from the home office. (f) The branch erroneously posted the credit posting for a P3,000 debit memo from the home office as a debit. How much is the difference between the unadjusted "Investment in branch" and "Home office" accounts? a. 2,800 b. 3,200 c. 4,200 d. 5,600