amanda owns a small bakery in the perfectly competitive pastry industry. she is considering whether to hire an additional pastry chef. the wage rate for pastry chefs is $1,000 per week, the marginal product of an additional pastry chef is 1,000 pastries per week, and the unit price of pastries is $1.25. amanda should: hire the additional pastry chef. not hire the additional pastry chef. raise the price of the pastries. not enough information is given to answer the question.