New job

I started my new job today. My boss handed me £5 and said "First things first, I need you to go down to the shops and buy me a glass hammer, a skirting board ladder and a bubble for a spirit level".

I laughed and said, "Do you really think I'm that stupid...?"

He sniggered "What do you mean?"

I said,

Spoiler:

"That lot is going to cost more than five quid!"