An increase in the market clearing exchange value of the home nation's currency in terms of the currency of another nation is a home currency

If a firm increases its output level in the short run, then

a. variable cost rises but fixed cost remains unchanged b. both variable cost and fixed cost rise c. variable cost rises, but fixed cost fall d. both variable cost and fixed cost fall e. variable cost remains unchanged, but fixed cost rises

An example of the "Tragedy of the Commons" is litter in the picnic area of a local park

a. True b. False Indicate whether the statement is true or false