CleLRY WOIR Historical demand for a product is: January February March April May June DEMAND 16 14 18 16 a. Using a weighted moving average with weights of 0.50 (June), 0.20 (May), and 0.30 (April), find the July forecast. (Round your answer to 1 decimal place.) July forecast b. Using a simple three-month moving average, find the July forecast. (Round your answer to 1 decimal place.) July forecast c. Using single exponential smoothing with a = 0.20 and a June forecast = 12, find the July forecast. (Round your answer to 1 decimal place.) July forecast CHERMy Work d. Using simple linear regression analysis, calculate the regression equation for the preceding demand data. (Do not round intermediate calculations. Round your intercept value to 1 decimal place and slope value to 2 decimal places.) e. Using the regression equation in d, calculate the forecast for July (Do not round intermediate calculations. Round your answer to 1 decimal place.) July forecast