What price is each store charging on an identical item originally costing $300 ? Store A is giving a straight 60% off. Store B is giving 30% off then an additional 30% off. Store C is giving 50% off...

What price is each store charging on an identical item originally costing $300 ?

Store A is giving a straight 60% off.

Store B is giving 30% off then an additional 30% off.

Store C is giving 50% off then an additional 20% off.

Store A: $

Store B: $

Store C: $