BE1.12 (LO 5) AP Presented below are eight business transactions. Indicate whether the transactions increased (+), decreased (), or had no effect (NE) on each element of the accounting equation. a. Purchased $250 of supplies on account. b. Performed $500 of services on account. c. Paid $300 of operating expenses. d. Paid $250 cash on account for the supplies purchased in item (a) above. e. Invested $1,000 cash in the business. f. Owner withdrew $400 cash. g. Hired an employee