A business uses delivery trucks and is considering purchasing model A or model Model A costs $55,000, costs $3500 a year to maintain and lasts 5 years then is junked while model B costs $35,000, costs $1300 a year and lasts only 3 yearsCalculate the equivalent annual annuity for each model and identify the best choice all else being equal? Use a cost of capital of 5% per year.