Assume a customer's alternative minimum tax is greater than his regular tax liability. in order to compute his federal tax liability, the customer must do which of the following? (a) pay his regular tax liability. (b) pay his regular tax liability and his alternative tax liability. (c) add to his regular tax, the excess of the alternative minimum tax over his regular tax. (d) pay his regular tax liability reduced by his alternative minimum tax.

Often, a goby fish and a shrimp will live together in a burrow the shrimp has dug in the sand. the shrimp is almost blind and therefore is unable to see predators approaching when he is outside of the burrow. when the shrimp is in danger, the goby fish touches the shrimp with its tail to warn him. then, both go back into their burrow for safety. which type of relationship does this represent? a. mutualism b. parasitism c. commensalism d. predator/prey