Please resolve "WITHOUT" excel

1. Megas produces giros and stuffed grape leaves. It has the following capital structure. Its debt is $60m and its equity is $40M. Its risk free rate is 3%, while the expected return of the market is 10%, and its beta is 1.2. Megas intends to invest $500 m into a giro (Sharma) project wanting to become the biggest seller in the American continent. Thus, it expects to receive $200m (EBIT(1-t)) annually for 20 years on this investment. The depreciation is straight line for 20 years (based on the $500m investment. For the grape leaves project, Megas will invest $1 billion and receive $200m annually, in terms of both operating profit after tax plus depreciation