What does "all good" mean?

[Ines]

English Language Tests, Intermediate level

ESL/EFL Test #420 "English Slang Idioms (160)", question 1

"There were some things that I didn't like about the amusement park. For instance, the food was very expensive. All in ........., though, I would say that the park is worth taking your kids to," Matt told Ben.

(a) now
(b) between
(c) all
(d) for

English Language Tests, Intermediate level

ESL/EFL Test #420 "English Slang Idioms (160)", answer 1

"There were some things that I didn't like about the amusement park. For instance, the food was very expensive. All in all, though, I would say that the park is worth taking your kids to," Matt told Ben.

Correct answer: (c) all
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what does "all good" mean?

Ines

[Mister Micawber]

.
'Everything is good', I suppose, but it is not an idiom I know.
.
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Native English teacher at Mister Micawber's