ACC - Problem 1 & 2

Problem -

Sales Revenue $1000
Beginning Inventory $400
Purchases $500
Available for Sale ?
Ending Inventory $300
Cost of Goods Sold ?
Gross Profit ?
Operating Expenses $100
Net Income ?

Problem-

POST INC. BANK RECONCILIATION
Cash balance per bank $8,500
Cash balance per books (general ledger) $7,320
Outstanding checks $2,150
Check mailed to the bank for deposit had not reached the bank by the statement
 date. $600
NSF check returned by the bank for  accounts receivable $200
July interest earned on the bank statement $10
Check no. 700 for misc. expense cleared
 the bank for $200; erroneously recorded in the Matrix books for $20

Prepare a bank reconciliation.
 
Shown the accounting entries that must be made by Matrix in journal entry and T-Account format.