Answer:
a. March 2, 202x, merchandise purchased on account from Splish Brothers, credit terms 2/10, n/30
Dr Merchandise inventory 885,600
Cr Accounts payable 885,600
b. March 6, 202x, defective/wrong merchandise returned to Splish Brothers
Dr Accounts payable 110,200
Cr Merchandise inventory 110,200
c. March 12, 202x, paid invoice to Splish Brothers within discount term
Dr Accounts payable 775,400
Cr Cash 759,892
Cr Purchase discounts 15,508
purchase discount = purchase balance x 2% = $775,400 x 2% = $15,508