Помогите пожалуйста. 1.5. Fill in the gaps with the words given

Помогите пожалуйста. 1.5. Fill in the gaps with the words given in the box. Change the form of the words if necessary. (to compete, competition, competitive, competitor) Two or more companies which sell or manufacture the same product are __________. They are in _______and they _________for customers. In order to sell more goods than its ________, a company must be ______________. It is important to keep ahead of the _______ by selling at _______ prices.