Use the Black-Scholes formula for the following stock:

Time to expiration	6 months
Standard deviation	46% per year
Exercise price	$48
Stock price	$48
Annual interest rate	6%
Dividend	0

Recalculate the value of the call with the following changes:

a. Time to expiration	3 months
b. Standard deviation	30% per year
c. Exercise price	$56
d. Stock price	$56
e. Interest rate	8%

Select each scenario independently.

Note: Round your answers to 2 decimal places.