DETROIT — Ford Motor Co. has raised the starting price of its entry-level F-150 Lightning Pro trim for the second time in less than two months as it struggles with rising material costs and supply chain issues.A spokesman on Wednesday confirmed the Pro trim on the electric vehicle now starts at $53,769, including a $1,795 shipping fee.The cheapest Lightning now costs more than $10,000 over what was advertised at the truck's reveal about a year and a half ago.Ford at the time said it was able to price the Lightning so aggressively because of scale and by sharing some common parts with its existing full-size pickups.However, executives have noted in recent months that rising commodity costs have wiped out early profits on the Mustang Mach-E and other EVs."