The rancher sells beef to Ruth Chris steakhouse for $15.00. Ruth Chris sells a fillet to a customer for $30.00. what is the total contribution to GDP?

here is the formula to calculate GDP: GDP = C + G + I + NX Where I is the investment that include all form of capital expenditure Both sales mentioned above could be considered as a form of Capital expenditure, so the total contribution to GRP would be: $30 + $ 15 = $ 45