Franklin Tooling, Inc., manufactures specialty tooling for firms in the paper-making industry. All of their products are engineer-to-order and so the company never knows exactly what components to purchase for a tool until a customer places an order. However, the company believes that weekly demand for a few components is fairly stable. Component 135. AG is one such item. The last 3 weeks of historical use of component 135.AG is recorded below. Calculate the trend equation for forecasting by using the least-squares regression method (round your response to two decimal places). y=117.470.13x y=112.7+3x y=117.47+0.13x y=112.72x