compute for the GDP using the value added approach

Supposing that a coffee beans will be converted into a coffee in a cafe shop wherein coffee beans will have a an output price of P 50. A manufacturer bought the coffee beans from the farmer and has converted the coffee beans into a ground coffee with an output value of P 75.00 per kilo. A distributor buys the ground coffee and sells it to the cafe shops with a price tag of P 120.00 per kilo. The cafe shop sells coffee to the final customer P 150.00 per cup. Compute for the value added method in solving for the GDP