1. Mark Call invested $7,000 cash in his new design services business. 2. The business paid the first month's rent with $700 cash. 3. The business purchased equipment by paying $2,000 down and executing a note payable for $4,500. 4. The business purchased supplies for $850 cash. 5. The business billed its clients a total of $4,000 for design services rendered. 6. The business collected $3,000 on account from one of its clients. How much was net income