chegg health-temp company is a placement agency for temporary nurses. it serves hospitals and clinics throughout the metropolitan area. health-temp company believes it will place temporary nurses for a total of 26,500 hours next year. health-temp charges the hospitals and clinics $90 per hour and has variable costs of $78.30 per hour (this includes the payment to the nurse). total fixed costs equal $301,977. required: 1. calculate the contribution margin per unit and the contribution margin ratio (express the ratio as a decimal rather than a percentage). if required, round your answers to two decimal places. contribution margin per unit$fill in the blank 1 contribution margin ratiofill in the blank 2 2. calculate the sales revenue needed to break even. $fill in the blank 3 3. calculate the sales revenue needed to achieve a target profit of $72,540. $fill in the blank 4 4. what if health-temp had target operating income (profit) of $88,920? would sales revenue be larger or smaller than the one calculated in requirement 3? by how much?