A company is considering the acquisition of machinery to pack production at a cost of $$800,000.$ To achieve the maximum level of efficiency of the machine, a certain degree of maintenance is necessary. The cost for this is set at a base of $$3,000$ during the first year. For the second year, the cost of maintenance is increased to $$5,000.$ Due to the changes in technology, the company expects to sell the machinery at the end of the second year for $$500,000.$ With this machine you can have a monthly saving of $$25,000,$ for the salary and benefits of the employees that the machine will replace. For the second year, the savings will be an additional $20\%.$ The company usually uses an opportunity cost of $25\%$ to Investments of this type. Is it advisable to purchase this machinery? Evidence all your computations.