Answer:
$475,000
Step-by-step explanation:
We are asked to find the retained earnings for Electronic report at December 2018.
[tex]\text{Retained earnings}=\text{Beginning period retained earnings + Net income/Loss - Cash dividends}[/tex]
Substitute the given values:
[tex]\text{Retained earnings}=\$350,000+\$215,000-\$90,000[/tex]
[tex]\text{Retained earnings}=\$475,000[/tex]
Therefore, the retained earnings of Electronic report at December 2018 would be $475,000.