A project needs initial investment of SAR 956.61 and will generate SAR 233.44 at the end of each of the 7 years. At the end of last year the project can be liquated at SAR 1000. What would be the maximum cost of capital possible to accept the project. (Assume the rule: A project is accepted as long as NPV is not less than zero). The maximum cost of capital possible to accept the project % (use 2 decimals)