Develop a leasing calculator form in javascript css html

The form should have the following input fields:

$$ Amount $($positive numbers only$).$

$$ Annual interest rate $($list with possible values $7\%,10\%,15\%).$

$$ Leasing term $($list with possible values $6$ months, $12$ months, $18$ months, $2$ years, $5$ years, $7$ years$).$