In the following list of items, select all of those that are sunk costs when making capital budgeting decisions. A hiring bonus paid to current employees that will be part of a new project if the project is accepted. The original purchase price of some land that may be used for a new project, or sold if the project is rejected. The market value of some land that may be used for a new project, or sold if the project is rejected. A marketing study conducted to estimate future sales, if the project is accepted