Moore Company had the following transactions during 2019: . Sales of $4,500 to customers on account Collected $2,000 from customers for services to be performed in 2020 Paid $1,875 for salaries earned in 2019 Purchased airline tickets for $250 in December for a trip to take place in 2020 Using accrual accounting concepts of revenue and expense recognition, what is Moore's 2019 net income? A. $4,875 B. $2,625 C.$4,625 D. $2,875