import numpy as np

# Create an array of cash flows for project 1
cash_flows_1 = np.array([-250, 100, 200, 300, 400])

# Create an array of cash flows for project 2
cash_flows_2 = np.array([-250, 300, -250, 300, 300])

# Calculate the net present value of project 1
investment_1 = np.npv(rate=0.03, values=cash_flows_1)
print("The net present value of Investment 1 is worth $" + str(round(investment_1, 2)) + " in today's dollars")

# Calculate the net present value of project 2
investment_2 = np.npv(rate=0.03, values=cash_flows_2)
print("The net present value of Investment 2 is worth $" + str(round(investment_2, 2)) + " in today's dollars")