please kindly solve in 4 ways; 1. A man is considering putting up his own enterprise, where an investment of 350,000 Pp will be required and will take 15 years to recoup . He estimates his annual sales at 800,000Php along with the following operating costs, Matemals 160,000PhpA year Labor 280,000Pho/ vear Overhead (40,000 + 1096 of sales) Php/year selling Expense. 50,000PhpA year The man will aive up his regular job paying 21 6,000 Php per year and devote all his time to the operation of his business, this will result in decreasing his labor cost by 40,000Php per year, material cost by 28 000Php per year and overhead cost by 32,000 Php per year. If the man expects to earn at least 20% of his capital, should he invest?