South Euclid Co$.$ made a loan of $$50,000$ to Decatur Company on $9/1/21.$ A note was issued, specifying a $12\%$ interest rate and a due date $($principal and interest$)$ of $7/1/22.$ Prepare the journal entries on the following dates for South Euclid Co$.$

a$)9/1/21$ :

b$)12/31/21$:

c$)7/1/22$ :