Can anyone show me how to solve this problem step by step?

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CB2a Given alternative investment's cash flows, find which alternative is better at x% Consider the following cash flows for two mutually exclusive investments ($900) ($1,060) $657 $122 $399 $350 $162 $1,048 Which statement is true a. if the financing rate is 15% then project B is the better of the two b, if the financing rate is 7.52% then projects A and B create the same amount of wealth C. if the financing rate is 7.5% then project A is the better of the two d. if the financing rate is 18.3% then project A is the better of the two e. if the financing rate is 21.6% then project B is the better of the two 6574 319 162-900 3 IX 22-657 350-39, , , 9-,12 coa 060-90o