Scenario AppInvest is a mobile application that helps people save money and safely invest in a varied portfolio of investment vehicles. The app has helped thousands of people to accomplish their financial goals. To invest money in the app is simple: you open an account with at least $1,000 and you’re ready to go. There are a number of investment apps currently available on the market, but AppInvest excels in some areas and offers a better service than its competitors. Some advantages of the app include setting a short-term financial goal to be achieved, as well as immediate access to the user’s funds. The company is planning on releasing a new feature that will enable investors to increase gains depending on the amount invested. In other words, the more money you put in the app, the greater your rate of return. You have been tasked with adding this functionality. Initially, the investment engine has to be extended to allow for investors to increase their gain margin if they invest more money on the app. The company has agreed internally that 1 million is a good starting point to trigger the increase of the gain margin. If the invested amount surpasses $1 million, then the gain margin will be increased by 1%. Similarly, if the invested amount is 5 million dollars, then the gain margin will be increased by 5% and so on, limited by a maximum of 100%. Grading This lab is partially auto-graded and partially manually graded by your instructor. Your instructor may adjust your score up or down based on your "make it your own" task. Complete all lab requirements before you submit your work. To submit, click the checkbox, or checkboxes, and then click the "Submit" button in the task list.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Scenario AppInvest is a mobile application that helps people save money and safely invest in a varied portfolio of investment vehicles. The app has helped thousands of people to accomplish their financial goals. To invest money in the app is simple: you open an account with at least $1,000 and you’re ready to go. There are a number of investment apps currently available on the market, but AppInvest excels in some areas and offers a better service than its competitors. Some advantages of the app include setting a short-term financial goal to be achieved, as well as immediate access to the user’s funds. The company is planning on releasing a new feature that will enable investors to increase gains depending on the amount invested. In other words, the more money you put in the app, the greater your rate of return. You have been tasked with adding this functionality. Initially, the investment engine has to be extended to allow for investors to increase their gain margin if they invest more money on the app. The company has agreed internally that 1 million is a good starting point to trigger the increase of the gain margin. If the invested amount surpasses $1 million, then the gain margin will be increased by 1%. Similarly, if the invested amount is 5 million dollars, then the gain margin will be increased by 5% and so on, limited by a maximum of 100%. Grading This lab is partially auto-graded and partially manually graded by your instructor. Your instructor may adjust your score up or down based on your "make it your own" task. Complete all lab requirements before you submit your work. To submit, click the checkbox, or checkboxes, and then click the "Submit" button in the task list.

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