Crue Company Had the Following Transactions During 2018

Multiple Choice

Crue Company had the following transactions during 2018:
.Sales of $4,500 on account
.Collected $2,500 for services to be performed in 2019
.Paid $1,625 cash in salaries
.Purchased airline tickets for $250 in December for a trip to take place in 2019
What is Crue's 2018 net income using cash-basis accounting after cash?

A) $625.
B) $875.
C) $5,125.
D) $5,375.