EN: IRR, MOIC, fee impact; biases in alt-returns indices.
VN: IRR, MOIC, ảnh hưởng phí; sai lệch trong index alt.
DPI = Distributed-to-Paid-In; RVPI = Residual-Value-to-Paid-In; TVPI = Total Value-to-Paid-In = MOIC.
A PE fund: total contributions $100M, distributions to date $80M, residual NAV $60M. Compute DPI, RVPI, and TVPI.