Pro Engineering, Inc. had the following transactions during the first month of business as a proprietorship. Journalize the transactions. (Credit account titles are automatically indented when amount is entered. Do not indent manually. If no entry is required, select "No Entry" for the account titles and enter O for the amounts. Record journal entries in the order presented in the problem) Mar. 1 Invested $23,000 cash 3 Purchased $8,800 of equipment for the business with cash. 6 Purchased supplies on account for $580 (Debit asset account). 15 Paid March rent of $1,800. Performed engineering services for clients, for which $2,200 was collected in cash and $6.800 was 28 billed to the clients. Account Titles and Explanation Credit Date Debit Mar 28