$\backslash$table$[[,\backslash$table$[[$Merchandise$],[($gross$)]],$Terms,Payment$],[$a$.,$$$,5,000,\frac{2}{10},\frac{n}{60},],[$b$.,$$$,20,000,\frac{1}{15},\frac{n}{90},],[$c$.,$$$,75,000,\frac{1}{10},\frac{n}{30},],[$d$.,$$$,10,000,\frac{3}{15},\frac{n}{45},]]$