USD is the most commonly traded currency in the world, you need to specify what $ you mean if you don't mean USD.

This one is on you.

PS5-$500 + PSVR 2 - $550 = $1050

Plus sales tax we'll guestimate at %10 since it depends on which state. = $1155

Where'd the extra $445+ come from? That's like 6 full price $70 games.