ARM Company has a December 31 year-end. They provided web design services worth $40000 in December 2020 and were paid $10000 in cash at that time with the rest paid in January 2021. The employees who performed the web design services were paid $25000 for their work in January 2020. Based on these data, how much net earnings would be reported by ARM in December 2019 on accrual basis (ignore taxes)?​