How can you create a computed property that returns the discounted price applying a 10% discount to Price, but only if Price is above 100?

hard🚀 Application Q9 of 15

C Sharp (C#) - Properties and Encapsulation

Apublic decimal DiscountedPrice => Price > 100 ? Price * 0.9m : Price;

Bpublic decimal DiscountedPrice { get; set; } = Price > 100 ? Price * 0.9m : Price;

Cpublic decimal DiscountedPrice() => Price > 100 ? Price * 0.9m : Price;

Dpublic decimal DiscountedPrice { set => Price > 100 ? Price * 0.9m : Price; }

Step-by-Step Solution

Solution:

Step 1: Use conditional operator in computed property
Computed property can use ternary operator to return discounted or original price.
Step 2: Check options
public decimal DiscountedPrice => Price > 100 ? Price * 0.9m : Price; correctly uses expression-bodied property with condition. public decimal DiscountedPrice { get; set; } = Price > 100 ? Price * 0.9m : Price; uses auto-property with initializer, which won't update dynamically. public decimal DiscountedPrice() => Price > 100 ? Price * 0.9m : Price; is a method, not a property. public decimal DiscountedPrice { set => Price > 100 ? Price * 0.9m : Price; } wrongly uses set accessor.
Final Answer:
public decimal DiscountedPrice => Price > 100 ? Price * 0.9m : Price; -> Option A
Quick Check:
Computed property with condition uses => and ?: [OK]

Quick Trick: Use ?: inside => for conditional computed properties [OK]

Common Mistakes:

MISTAKES

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