package main

import "fmt"

func printPrice2(product string, price float64, calculator calcFunc) {
	fmt.Println("Product:", product, "Price:", calculator(price))
}

func selectCalculator2(price float64) calcFunc {
	if price > 100 {
		var withTax calcFunc = func(price float64) float64 {
			return price + (price * 0.2)
		}
		return withTax
	}
	var withoutTax calcFunc = func(price float64) float64 {
		return price
	}
	return withoutTax
}

func main2() {
	products := map[string]float64{
		"Kayak":      275,
		"LifeJacket": 48.95,
	}
	for product, price := range products {
		printPrice2(product, price, selectCalculator2(price))
	}
}