Apply Discount Based on Total

Summary

Apply tiered discounts to a purchase total and return the final amount rounded to two decimals.

Problem statement

Write a function apply_discount(total) that applies a discount based on the total amount (a non-negative number): - If total >= 500: apply a 20% discount. - Else if total >= 200: apply a 10% discount. - Else if total >= 100: apply a 5% discount. - Otherwise: no discount. Return the final amount rounded to 2 decimal places (use round(amount, 2)).

Task

Use conditional branching to select the correct discount tier and compute the discounted total.

Examples

Input format

A single number total passed to apply_discount(total).

Output format

A number (float) representing the final total after discount, rounded to two decimals.

Constraints

total is a non-negative float or int. Use round(amount, 2) before returning.

Samples