[Tom Bombadil]

She also say it will be SUPER expensive.

she said 高い。

高い(P)【たかい】 (adj-i) (1) (高い only) (ant: 低い) high; tall; (2) expensive; (P)

it could be both.

Expensive? Poor Hayate.
High? Poor Hina.
Both? Great for the readers.