Show me what Journal it is for all the  transaction entries ( write down the Journal types beside the entries)

1) Oct1 Business purchased $4250 of inventory from LAT Inc.. Terms 2/10, n/20 FOB 

2) Oct1 Business sold $8520 inventory to LFN Inc., the cost is $1240. Terms 2/15, n/15 FOB 

3) Oct4, Business returned defective $230 inventory back to LAT Inc. 

4) Oct7 Business paid delivery $160 for the inventory sales to LFN Inc. 

5) Oct8 Business issued a credit memo $325 to LFN Inc., regarding the sales on Oct1 

6) Oct9 business purchased inventory $2700 from Simpson's Ltd, Terms: 1/5, n/10, FOB 

7) Oct11 Business paid the LAT Inc. in full. 

8) Oct16 Business Received LFN Inc's money. 

9) Oct30 paid Simpson's Ltd for the Oct9 purchase.