Anya Forger was infected by a virus named P-00 Bomb returns to Eden Academy after their family vacation. Eden Academy has about 1000 pupils currently enrolled. According to the medical report, the rate at which the P-00 Bomb spreads is proportional to the number of infected persons and to the number of persons not infected. Determine the number of infected pupils after six days if it is reported that after four days, about 50 pupils are already showing symptomps of P-00 Bomb. Round your answer to the nearest whole number. O 143 O 276 O 541 O 324