Identify the impact of each of the given transactions on the accounting equation.

$\backslash$table$[[$Transactions$,$Impacts$],[$a$.$ The company purchasos supplies for cash.,$],[$b$.$ The company purchases equipment for cash.,$],[$c$.$ The owner invests land in the business.,$],[$d$.$ The company purchases supplios on credit.,$],[\backslash$table$[[$e$.$ The company provides sorvices and sent a bill$],[$days$.]],],[$f$.$ The company purchases equipment on credit.,$]]$