(1) Please develop a user defined function (UDF) in Visual Basic to calculate the photosynthetic rate of a plant, P (nmol/cm2 s) as function of solar irradiance, I (erg/cm2 s), air temperature, T (C), and CO2 concentration, Ca (nmol/cm3) using the following three equations: 1. PATI_G(T) = Pu(1,T) = K 1+ 1 2. (C, + K + RPx)-[C, + K. + RP, ) - 4C,RPM a P= 3. 2R The constants in the above equations are: Pmti = 5 nmol/cm2s (at saturation CO2, saturation light and optimum temperature T=30C) Km = 10 nmol/cm3 Ki = 1.0 x 105 erg/cm2s R= 4 s/cm (1) Please develop a user defined function (UDF) in Visual Basic to calculate the photosynthetic rate of a plant, P (nmol/cm2 s) as function of solar irradiance, I (erg/cm2 s), air temperature, T (C), and CO2 concentration, Ca (nmol/cm3) using the following three equations: 1. PATI_G(T) = Pu(1,T) = K 1+ 1 2. (C, + K + RPx)-[C, + K. + RP, ) - 4C,RPM a P= 3. 2R The constants in the above equations are: Pmti = 5 nmol/cm2s (at saturation CO2, saturation light and optimum temperature T=30C) Km = 10 nmol/cm3 Ki = 1.0 x 105 erg/cm2s R= 4 s/cm