Natalie had a very busy December. At the end of the month, after journalizing and posting the December transactions and adjusting entries, Natalie prepared the following adjusted trial balance. Using the information in the adjusted trial balance, do the following. (a1) Prepare an income statement for the 2 months ended December 31, 2019. (Enter negative amounts using either a negative sign preceding the number e.g. 45 or parentheses e.g. (45).) Prepare an retained earnings statement for the 2 months ended December 31, 2019. (List items that increase retained earnings first. Do not leave any answer field blank. Enter 0 for amounts.)