$\backslash$table$[[$Year$,$Project A Project B$],[0,-$$$280,-$$$430$

C$.$

Calculate the two projects NPV$,$s if the cost of capital was $18\%.$ do not round in intermediate calculations round your answers to the nearest cent

D$.$

What is each projects MIRR at a cost of capital of $18\%?($Hint consider period $7$ as the end of project B$\text{'}$s life$).$do not round intermediate calculations. round your answer to two decimal places