please need to calcuate the persent worth of sustem 1 and 2 please please

Two systems are being considered for a task. The data is given in the table. Use the present worth method with the default interest rate of 4%. System 1 63000 3.5% System 2 120000 Initial price (in $) Price inflation, annual Expected life Salvage value (in $) O/M (in $) 4 years 8 years 4500 4000 5800 2400 Calculate the present worth of system 1. The present worth of system 1 is $