solve please

QUESTION 1 Questions 1 and 2 relate to the following information. Suppose a firm's benefit in dollars from investing in research and development (R&D) is given by the function B(x) = 40 0.5 where x is the amount of R&D. Each unit of R&D costs $2. If the firm wants to maximize the difference between the benefit and cost of R&D, what is the optimal level of R&D? QUESTION 2 What is the difference between the benefit and cost of R&D at the optimal level of R&D you solved for in Question 1? Do not include any dollar signs in your