### assign3prep.py
### by Rob Marchiselli, Student ID# 2273872, COP1000
# Pseudocode
# Request number of pounds desired from user
# Calculate per_pound rate based on pounds desired
# Calculate subtotal before tax and shipping
# Calculate shipping rate based on subtotal (if over $150 it's free)
# Calculate taxes, order total
# Print order summary
def main():
    # Request pounds desired from user
    pounds = float(input('How many pounds are you ordering? '))
    # Determine cost per pound
    if pounds >= 40:
        per_pound = 7.50
    elif pounds >= 20:
        per_pound = 8.75
    elif pounds >= 10:
        per_pound = 10.00
    elif pounds < 10:
        per_pound = 12.00
    # Calculate subtotal before tax and shipping
    subtotal = float(pounds * per_pound)
    # Calculate shipping rate based on order subtotal
    if subtotal > 150:
        shipping = 0
    else:
        ship_rate = 1
        shipping = ship_rate * per_pound
    # Calculate taxes
    tax_rate = float(.07)
    taxes = subtotal * tax_rate
    # Calculate order total
    order_total = subtotal + taxes + shipping
    # Print order summary
    print('How many pounds are you ordering? ',format(pounds,'.0f'),sep='')
    print('Cost of coffee: $',format(subtotal,'.2f'),sep='')
    print('Sales tax (7%): $',format(taxes,'.2f'),sep='')
    print('Shipping fee: $',format(shipping,'.2f'),sep='')
    print('Total payable: $',format(order_total,'.2f'),sep='')
main()