Hello This is my program if anybody knows program source code kindly send me ASAP. 3. Develop a billing system for a Guest House which offers lodging at following rates:
• Economy Single Bed: Rs. 3,000/Day
• Economy Two Bed: Rs. 5,000/Day
• Luxury Single Bed: Rs. 6,000/Day
• Luxury Two Bed: Rs. 10,000/Day
The guest house offers following discounts on Economy-Rooms customers ONLY if duration of stay is at least 2 or more days.
• If payable amount is more than 12000, he gets a 12% discount
• If payable amount is more than 8000, he gets a 10% discount
• If payable amount is more than 4000, he gets a 8% discount
Instructions:
Write a C++ program that asks Room Type and Duration of stay from the user and generates billing details as under:
• Rate of Stay (per day)
• Discount if applicable
• Total billing amount
• Payable Amount

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Jason, samantha, ravi, sheila, and ankit are preparing for an upcoming marathon. each day of the week, they run a certain number of miles and write them into a notebook. at the end of the week, they would like to know the number of miles run each day, the total miles for the week, and average miles run each day. write a program to them analyze their data. your program must contain parallel arrays: an array to store the names of the runners and a two-dimensional array of five rows and seven columns to store the number of miles run by each runner each day. furthermore, your program must contain at least the following functions: a function to read and store the runners’ names and the numbers of miles run each day; a function to find the total miles run by each runner and the average number of miles run each day; and a function to output the results. (you may assume that the input data is stored in a file and each line of data is in the following form: runnername milesday1 milesday2 milesday3 milesday4 milesday5 milesday6 milesday7.)