shutchouhi ga takai desu.

to be

Breakdown of shutchouhi ga takai desu.

• が: subject particle
• 高たかい: high
• 出張費しゅっちょうひ: a service call-out fee

Questions & Answers about shutchouhi ga takai desu.

How do you read 出張費 が 高い です?

It is read:

しゅっちょうひ が たかい です。

Breakdown:

• 出張 = しゅっちょう = business trip
• 費 = ひ = expense / cost
• 高い = たかい = high / expensive
• です = polite sentence ending

So 出張費 means business trip expenses or business trip cost.

Why is が used here?

が marks the thing being described by the adjective.

In this sentence:

• 出張費が高いです = The business trip expenses are high / expensive.

You can think of it as:

• As for what is high? → the business trip expenses

With adjectives like 高い, が often marks what has that quality.

Could I use は instead of が?