please answer wiht formula not excel.

Thank you.

Dark Skies Observatory is consillering several options to purchase a new deep-space telescope. Plevenue would be generated from the. telescope by selling "time and use" slots to various researchers around the world. Four possible telescopes have been identified in addition to the possibility of not buying a telescope if none are financially attractive. The table below details the characteriatics of each telescope. An external rate of return analysis is to be performed using a MARR of 25%. Which telescope if anyl is most financialy attractive? Which telescope (if any) is most financially attractive? Show the comparisons and external rates of return used to reach this decision: Comparison1:Comparison2;Comparison3:Comparison4:ERR1:ERR2:ERR3:ERR4: Corry all interim calculations to 5 decimal places and then round your final answer to 1 decimal place. The tolerance is 0.2. Click here to access the TVM Factor Table Calculator Dark Skies Observatory is consillering several options to purchase a new deep-space telescope. Plevenue would be generated from the. telescope by selling "time and use" slots to various researchers around the world. Four possible telescopes have been identified in addition to the possibility of not buying a telescope if none are financially attractive. The table below details the characteriatics of each telescope. An external rate of return analysis is to be performed using a MARR of 25%. Which telescope if anyl is most financialy attractive? Which telescope (if any) is most financially attractive? Show the comparisons and external rates of return used to reach this decision: Comparison1:Comparison2;Comparison3:Comparison4:ERR1:ERR2:ERR3:ERR4: Corry all interim calculations to 5 decimal places and then round your final answer to 1 decimal place. The tolerance is 0.2. Click here to access the TVM Factor Table Calculator