Flash Mobs for Hope

Mary Louise Porter runs Flash Mobs for Hope, small flash mobs that sing at farmer's markets and such. Write a program to help Mary work out the cost of supplies for an event.

To help the singers relax before a gig, she gives them small packs of special gummies. The number of gummies depends on the type of singer:

• Sopranos are flighty. They get three packs each.
• Altos aren't as bad, but being soprano-adjacent, they need extra. They get two packs each.
• Tenors and basses are rock solid. They get one pack each.

The price of a pack depends on the number MLP orders.

• 20 or more packs: $8.50 each
• 10 to 19: $8.80 each
• Less than 10: $9.10 each

Shipping is free if MLP orders 25 or more packs. Otherwise, shipping is $0.50 per pack.

If there are too many sopranos, they get over-excited. Sometimes they need to be tranquilized. MLP's assistant Wendell has a dart gun for those cases.

If there are more sopranos than all the others put together, output a message saying Wendell should bring the dart gun. He'll need two more darts than the number of sopranos. He's a good shot, but they run around when excited.

Here's some sample I/O:

Another sample:

Other things:

• Assume users make no input errors. That's later in the course.
• Round numbers to at most two decimal places.
• Add comments for IPO.
• Format the output exactly, with the blank lines, underlining, etc.

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