Meaning of "accrued sick leave hours"

[Lola]

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #127 "Idioms with the phrasal verb carry", question 7

An employee with 400 accrued sick leave hours at the end of the fiscal year will ......... into the new fiscal year 360 hours of sick leave and 8 hours of additional annual leave.

(a) carry over
(b) carry on
(c) carry off
(d) carry out

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #127 "Idioms with the phrasal verb carry", answer 7

An employee with 400 accrued sick leave hours at the end of the fiscal year will carry over into the new fiscal year 360 hours of sick leave and 8 hours of additional annual leave.

Correct answer: (a) carry over
_________________________

What is the meaning of accrued sick leave hours?

Lola

[Conchita]