How do I draw an expanded accounting equation ( A=L+OE+R-E) for the following transactions

1. Owner invested $30,000 cash in adams company

2.sold merchandise to wednesday company on account $7,000 invoice no. 51, terms 2\10 n\20 F.O.B, shipping point

3. Purchased merchandise from Pugsley company on acoount $8,000 terms 2\10, n\30 F.O.B. shipping point

4. transportation costs for the merchandise purchased was $250. All transportation costs are paid in cash.