1. In one semester or 14 weeks lecture, your attendance should not less than 80% in any of the course you are taken. Please develop a C program to check whether you are meeting the attendance requirement set by the university. Input: Attendance per semester Output: Display massage if attendance more than 80% or give warning if attendance less than 80%. For example: "You met the attendance requirement" for attendance more than 80% and "You are not allowed to sit for the exam" for attendance less than 80%. 2. Build a c program to evaluate temperature level to evaluate weather. Input: Temperature Output: Display the weather conditions: Below 0: Freezing 1-10: very cold 11-18: cold 19-25: warm 26-35: hot Above 35: very hot 3. The following table shows the cost of delivering an item by express delivery, and no item weighing more than 100kg will be accepted. Input: Weight Output: Total fees and a massage if the item weighing more than 100kg. For example, if the weight of an item is 5.5kg, the total fees is RM32.50