PLEASE ANSWER IN 10 MINS NEED ASAP WILL RATE GOOD IF SO

Jack Sprat Inc. wants to know if they invest 13,908 in new exercise equipment, plus $2,000 for installation. how long before they will receive their initial invest back from future cash flows? What is the payback period for the initial costs? Projected Cash flows Year 1: 5,000 Year 2: 7,000 Year 3: 4,000 Year 4: 1,000 Post your answer as number of years with 2 decimal places, for example 5.55