Answer:
March 1 Issue common stock for $21,000.
March 5 Obtain $9,000 loan from the bank by signing a note.
March 10 Purchase construction equipment for $25,000 cash.
March 15 Purchase advertising for the current month for $1,100 cash.
March 22 Provide construction services for $18,000 on account.
March 27 Receive $13,000 cash on account from March 22 services.
March 28 Pay salaries for the current month of $6,000.