Which statement BEST describes FDI and FPI?

a$.$ FDI is indirect investment, and FPI is direct.

b$.$ FDI is a $10\%$ or more equity stake, and FPI is less than $10\%.$

c$.$ FDI is a $25\%$ or more equity stake, and FPI is more than $50\%$

d$.$ Both FDI and FPI are direct investment vehicles.Which statement BEST describes FDI and FPI?

a$.$ FDI is indirect investment, and FPI is direct.

b$.$ FDI is a $10\%$ or more equity stake, and FPI is less than $10\%.$

c$.$ FDI is a $25\%$ or more equity stake, and FPI is more than $50\%$

d$.$ Both FDI and FPI are direct investment vehicles.