**What** In Chapter 7: Mutability, Deep Immutability with as const, Solution 2: Inferring Literal Values In Arrays, Option 1: Annotate the Entire Array [Solution 2: Inferring Literal Values In Arrays](https://www.totaltypescript.com/books/total-typescript-essentials/mutability#solution-2-inferring-literal-values-in-arrays) The solution is incorrect because we are passing a readonly array to a function that accepts a mutable array. [View in the TypeScript Playground](https://tsplay.dev/WKl8ow) **Suggestion** Perhaps refactor this as "Attempt 1" and explain why it does not work