XYZ has three aging categories to estimate uncollectable accounts. The three categories are based on the probability that the account will not get paid: Low Medium High Probability 10% 15% 30% Amount $100,000 $ 20,000 $130,000 The balance of the allowance for doubtful accounts as of 12/31/2017 Amount written off during 2018 Credit $ 20,000 $ 12,000 Prepare a journal entry as of 12/31/2018 to record bad debt expense