class Laptop {

    isOn = false

    constructor (info, quality){
       this.info = {
        producer: info.producer,
        age: info.age,
        brand: info.brand,

       }
    this.quality = quality
    this.price= 800 - (this.info.age * 2) + (this.quality * 0.5)
    }

    turnOn(){
        this.isOn = true
        this.quality--
        this.price= 800 - (this.info.age * 2) + (this.quality * 0.5)

    };
    turnOff(){
        this.isOn = false
        this.quality --
        this.price =  800 - (this.info.age * 2) + (this.quality * 0.5)

    }
      // get price(){
          //  return
      //  }
        showInfo(){
            return JSON.stringify({
                producer: this.info.producer,
                age: this.info.age,
                brand: this.info.brand
            })
        }
    }