Text this: Real options approach to multi-stage business investment decision making

  _____      ___      ____      _____     _____   
 /  ___||   / _ \\   |  _ \\   |  ___||  |__  //  
| // __    / //\ \\  | |_| ||  | ||__      / //   
| \\_\ || |  ___  || | .  //   | ||__     / //__  
 \____//  |_||  |_|| |_|\_\\   |_____||  /_____|| 
  `---`   `-`   `-`  `-` --`   `-----`   `-----`