Hi, please show step by step workings with explanations in details, not really sure on this question thanks.

Happyhappy, Lid is operating a circus. A new van is required to meet the increased demand for the performance. The choice has been narrowed down to two vans: I and J, each costing $10 000. Van I's life is 4 years, while Van J's life is 5 years. Net cash flow estimates of these vans are as follows: (3 Marks) Year Net cash flow estimates ($) Van I Van J $4700 $4800 2 $5000 $4000 3 $5000 $4000 4 $5800 $5200 5 $4200 Required rate of return 20% The EAVs of Van I and Van J are ....... (without decimals) Select one: a. Van I EVA = $ 3288 and Van J EVA = $3079 b. Van I EVA = $ 3079 and Van J EVA = $3288 c. Van I EVA = $ 1189 and Van J EVA = $1099