Vopat Inc is a retail store operating ina state with a 5% retail sales tax. The state law provides that the retail sales tax collected during the month must be remitted to the state during the following month. If the amount collected is remitted to the state on or before the 20th of the following month the retailer may keep 3% of the sales tax collected. on April 10th Vopat remitted $135,800 tax to the state tax division for March retail sales. What was Vopat's March retail sales subject to sales tax?