1. you are a store manager. You could spend 200 visits for one year and there are total 100 stores. For each store, they have different revenue. For all the stores, the first visit will result in 2% increase in the revenue; 2nd visit -> 3%; 3rd visit -> 0; 4th visit ->0 while 5 th visit -> 10%. Come up with an algorithm to optimize the total increase in the revenue.