The list below shows the items ethan and his friends bought for lunch.

2 sandwiches for $6.29

2 burgers for $7.79

1 bowl of soup for $4.99

4 drinks for $1.39

they paid 6% tax. they then paid a tip that was about twice the amount of the tax they paid. which is the closest estimate of the total amount ethan and his friends paid for their food, drink, tax and tip?

a) $50

b) $40

c) $70

d) $60